Answer:
1. m = 40 kg
2. m = 0.55 kg
3. Because of the different values of acceleration due to gravity, g, on the planet and the earth.
Explanation:
1. GPE = 12000 J
h = 30 meters
g = 10 m/[tex]s^{2}[/tex]
But,
GPE = mgh
where: m is the mass, g is the acceleration due to gravity, and h is the height.
12000 = m x 10 x 30
12000 = 300 m
m = [tex]\frac{12000}{300}[/tex]
= 40 kg
The mass of the diver is 40 kg.
2. GPE = 63.25 J
h = 11.5 meters
g = 10 m/[tex]s^{2}[/tex]
GPE = mgh
63.25 = m x 10 x 11.5
63.25 = 115 m
m = [tex]\frac{63.25}{115}[/tex]
= 0.55 kg
The mass of the ball is 0.55 kg.
3. The pole vaulter's GPE on the earth would not be the same as that on another planet due to the variation in the value of the acceleration due to gravity on the two planets, even if he cover the same height.
Given that: m = 60 kg, h = 25 m, determine the GPE on the earth that has g = 10 m/[tex]s^{2}[/tex], and another planet with g = 6.5 m/
Thus, on the earth;
GPE = mgh
= 60 x 10 x 25
= 15000
GPE = 15000 J
On the planet;
GPE = mgh
= 60 x 6.5 x 25
= 9750
GPE = 9750 J
At which type of plate boundary did the Himalayas form?
A.
Divergent
B.
Convergent
C.
Transform
What are the dangers of a hurricane and how do you stay safe during the hurricane
Answer
hdhcu very much xbeyxbuxbduxb shx
I really need help please ASAP
Pls help me ill give brainliest
Answer:
c
Explanation:
a, b, and d are examples of moving forward
while c is moving backwards.
Which kind of force(s) cause acceleration?
Answer:
unbalanced force,
Explanation:
The bigger the unbalanced force acting on the object the bigger the acceleration of the object. The more mass the object has, the more inclined it is to resist any change to its motion.
Please help ASAP please
Answer:
I would say 3N
Explanation:
Answer:
The first one is 12N and the second one is -22 m/s2
Explanation:
I'm pretty sure these are correct, i just finished that unit in school. I hope this helps:) Have a great day, God bless!
A force of 162 N is applied to an object causing it to accelerate at a rate of 3.8 m/s^2. What is its mass?
A. 0.2 kg
B. 616 kg
C. 43 kg
D. 102 kg
Answer:
43 kg
Explanation:
Force (F) = 162 N
acceleration (a) = 3.8 m/s²
mass (m) = ?
We know
F = m * a
162 = m * 3.8
m = 162 / 3.8
m = 43 kg
It's mass is 43 kg.
Hope it will help you :)
Which force stops the car from moving?
The force of motion
The force of speed
The force of gravity
The force of Friction
Answer:
The force of friction.
Explanation:
Gravity keeps the car on the ground.
Motion Allows the car to move.
The force of speed doesnt make sense.
Friction would cause the car to stop moving.
What happens to the position of an object as an unbalanced force acts of it? Give an example
Answer:
When unbalanced forces act on an object at rest, the object will move. ... Second, when unbalanced forces act on a moving object, the velocity of the object will change. Remember that a change in velocity means a change in speed, direction or both speed and direction.........Eg.If you kick a football and it moves from one place to another, it means that unbalanced forces are acting upon it. Ball moves from one place to another after kicking it.
Answer:
unbalanced forces could change speed,direction
Explanation:
Example
if two people are pulling a rope and the other one is stronger the rope moves toward the stronger one cause the force is unbalanced
How many seasons are there in a year
Answer:
There are 4
Explanation:
What other issues, besides addiction, might go along with overuse of phones?
- Lola applies force to the handle of a jack so that she can change the flat tire on her car. If she uses
1,250 joules of energy on a jack that is 40 percent efficient, how much energy is available to raise
the car?
750 energy jack percent efficient
help plz anyone ?????
Answer:
Most likely, it will be harder to get strong magnets to change phase because they have more density.
A 500 N force is applied to an object accelerating at 25 m/s^2.
what is the mass of the object?
Answer:
there are go fella hope u understood
The mass of the object is 20 g
The first step is to write out the parameters given in the question
Force- 500 N
acceleration= 25 m/s²
mass= force/acceleration
= 500/25
= 20
Hence the mass of the object is 20g
Please see the link below for more information
https://brainly.com/question/24285803?referrer=searchResults
How much work is done when a 5 N force moves a block 4 m?
Despite their name, standing waves actually do cause the medium to move
TRUE OR FALSE?
30 POINTS
Answer:
true
Explanation:
Which of the following objects has no kinetic energy?
A picture on a wall
A waterfall
A ball flying through the air
A hockey puck sliding across the ice
Answer:
a picture on a wall. because it's not moving
You push on a light object (small mass) with a certain amount of force and it moves. If you push just as hard on a heavier object (large mass) it will move _____ the light object. a. Faster than b. slower than c. the same as
Answer: B
Explanation:
It will move slower than the light the object. The equation is Newton's 2nd Law of F = ma. If the force is constant, and the mass changes to something larger, then the acceleration must become smaller. You could also just do this yourself, push two objects with your hands. The heavier one will move slower assuming you used the same amount of force
A toy rocket has a mass of 2.0 kg. The rocket has a force of 8.0 N acting on it. What is the acceleration of the rocket?
6.0 m/s^2
0.25 m/s^2
16.0 m/s^2
4.0 m/s^2
Answer:
force=mass × acceleration
8=2 × acceleration
acceleration= 8/2= 4 m/s²
Answer:4 m/s²
Explanation:
Clara made a chart to summarize some of the evidence that supports the big bang theory.
A 2 column table with 2 rows labeled evidence for the big bang theory. The left column is labeled category of evidence with entries redshift, cosmic microwave background radiation (CMB). The second column is labeled description with entries light source and observer move farther apart, light observed shifts to a longer wavelength, indicates receding galaxies, red-shifted to the microwave region, temperature much higher now than at time of big bang.
Which best describes Clara’s error?
During redshift, the light source and observer move closer together, not farther apart.
The CMB is blue-shifted, not red-shifted, to the microwave region.
The temperature of the CMB is cooler, not hotter, than at the time of the big bang.
The redshift indicates approaching, not receding, galaxies.
Answer:
The temperature of the CMB is cooler, not hotter, than at the time of the big bang.
Explanation:
Hope it help
Mark me as brainliest
Answer:
C
Explanation:
EDG
my gosh im in fifth grade and need an answer stat dude what causes lightning
A. build up of electrical charges in the clouds
B. flow of electrical charges among clouds
C. light energy created in the clouds
D. reflection of light in the clouds
Answer:
it's either A or B because lighting is an electrical discharge caused by imbalance between storm clouds and the ground
Explanation:
pretty sure it's A though
What is the mass of an object that requires 150N of force in order to accelerate it at 10m/s 2
Answer: 15kg
Explanation:
F = ma ; Newtons 2nd of Motion
150 = m(10)
m = 15kg
please help answer question
Answer:
C = 1.01
Explanation:
Given that,
Mass, m = 75 kg
The terminal velocity of the mass, [tex]v_t=60\ m/s[/tex]
Area of cross section, [tex]A=0.33\ m^2[/tex]
We need to find the drag coefficient. At terminal velocity, the weight is balanced by the drag on the object. So,
R = W
or
[tex]\dfrac{1}{2}\rho CAv_t^2=mg[/tex]
Where
[tex]\rho[/tex] is the density of air = 1.225 kg/m³
C is drag coefficient
So,
[tex]C=\dfrac{2mg}{\rho Av_t^2}\\\\C=\dfrac{2\times 75\times 9.8}{1.225\times 0.33\times (60)^2}\\\\C=1.01[/tex]
So, the drag coefficient is 1.01.
plz help I will give brainly to the correct answer
Answer:
D. x-rays
Explanation:
Lower frequency: Radio waves, microwaves and infrared have lower frequency than visible light. Shorter wavelength: Ultraviolet, x-rays and gamma rays have a shorter wavelength than visible light.
Different environments can have very different weather. Which environment is most likely to have the highest humidity?
Answer:
swamp
Explanation:
I think. The desert is hot and less humid. Mountain is more cold. Tundra...no
What happened when red light and cyan light combine, what colour of light results?
Answer:
I'm pretty sure it makes a white light... i could be wrong and sorry if I am
How many atoms in total are there in a molecule of sulfur trioxide, S03
There are 4 atoms total.
In a molecule of sulfur trioxide, [tex]S0_{3}[/tex] , there are total of four atoms. Three atoms are of oxygen and one of sulfur.
What is molecule?A molecule is a group of two or more atoms held together by attractive forces known as chemical bonds.
What is atom?
Atom is the smallest particle of a chemical element that can exist.
To learn more about Molecule and Atom here
https://brainly.com/question/25617532
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A student switches the torch on and sees that it gives out a bright light.
After several minutes, the torch begins to fade in brightness.
Give a reason for this fading in brightness.
Answer:
no more fire duhh
Explanation:
Answer:
The fuel has ran out
Explanation:
Fuel could be Wood,cloth those are longer ones, theres also short term fuel sources such as gasoline, Cloth and wood are the most common for torches usually combined with alcohol, So either No more oxygen which is not likely, or the fuel source is running out
Many vehicles leave the right shoulder of the pavement due to
brake failure.
improper interior inspections.
driver distraction.
lack of oil pressure.
Answer:
driver distraction
Explanation:
Studies and historical data show that the major cause of this is due to driver distraction. When driving many times a driver may look somewhere other than the road and get distracted which accidentally causes the driver to steer outside of the right shoulder of the pavement. This can also be due to the driver becoming tired/sleepy after driving for countless hours or even making a quick maneuver due to oncoming traffic getting too close. Regardless, all of these fall under driver distraction.
1. Lance starts the cycling marathon with a velocity of 6.2 m/s. Lance increases
his velocity to 9.7 m/s in 8 seconds. What is Lance's acceleration during this time?