Questions LLC
Login
or
Sign Up
Ask a New Question
Science
Physics
A 3 kg objects falls from a height of 10 m to the ground. the work done by air resistance is 20 J. What is the kinetic energy of the object as it hits the ground?
1 answer
KEfinal+frictoinwork=INTitialPE
KEfinal=mgh-20
You can
ask a new question
or
answer this question
.
Similar Questions
I post this early ; but didn't understand the answer..
a 3-kg object falls from a height of 10m to the ground. The work done by
Top answer:
To find the kinetic energy of the object as it hits the ground, we need to first calculate its
Read more.
Imagine an object held at some height above the ground. It is released and falls toward the ground. Ignoring air resistance or
Top answer:
Im pretty sure its E
Read more.
Imagine holding a mic at a height above the ground. It is released and falls toward the ground.
Ignoring air resistance or
Top answer:
e. All of the above.
Read more.
A body of mass 11kg falls freely from rest from a height of 15m above the ground. 3m above the ground it breaks through a thin
Top answer:
a. KE = 0.5*M*V^2 = 130 J. 0.5*11*V^2 = 130 V^2 = 23.64 V = 4.86 m/s. b. V^2 = Vo^2 + 2g*h = 4.86^2
Read more.
A body of mass 11kg falls freely from rest from a height of 15m above the ground. 3m above the ground it breaks through a thin
Top answer:
(a) To calculate the velocity of the body after it emerges from the roof, we need to consider the
Read more.
Imagine holding a mic at a height above the ground. It is released and falls toward the ground.
Ignoring air resistance or
Top answer:
e. All of the above.
Read more.
Imagine holding a mic at a height above the ground. It is released and falls toward the ground.
Ignoring air resistance or
Top answer:
e. All of the above
Read more.
A drop of mass 2.0 g falls from a cliff of height 1.0 km. It hits the ground with a speed of 50.0 m/s. The work done by
Top answer:
According to work energy theorem W done by gravity +W done by resistive force =1/2 mv^2 W done by
Read more.
A drop of mass 2.0 g falls from a cliff of height 1.0 km. It hits the ground with a speed of 50.0 m/s. The work done by
Top answer:
Well, my friend, let's put on our detective hats and solve this mystery! To find the work done by
Read more.
2) Two objects are initially the same height above the ground. Simultaneously, one is released from rest and the other is shot
Top answer:
10.2m
Read more.
Related Questions
You throw a 20-N rock vertically into the air from ground level. You observe that when it is 15.0 m above the ground, it is
a brick falls off scaffold at height of 80 m above the ground it velocity AfTeR FalLInG for 2 s Is 19;6 what iS IT MAgnitudE
A 7.77 kg pumpkin falls from a height of 12.3m. It hits the ground and comes to an abrupt stop in about 444 ms. What is the
At the moment when a shotputter releases a 7.26 kg shot, the shot is 2.0m above the ground and travelling at 15.0 m/s. It
a body of mass 5kg falls from a height of 10m above the ground. what is the kinetic energy of the body just before it strikes
A body of mass 10kg falls from a height of 5m above the ground what is the kinetic energy of the body just before its strike the
at the moment when a shot putter releases a 5 kg shot, the shot is 3 m above the ground and travelling at 15 m/s. it reaches a
The waterfall "Angel Falls" in Venezuela is the world's tallest at h=979 m. Assume that the water's velocity on the top of the
A steel ball falls from a stationary air balloon. The mass of the ball is 0,3kg. It strikes the ground with a vertical download
A 1.47-newton baseball is dropped from a height of 10.0 meters and falls through the air to the ground. The kinetic energy of