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An object is dropped from a height of 75.0 m above ground level.
1) Decide the distance traveled through the FIRST second.
2) Decide the final velocity at which the object hits the ground.
3) Decide the distance traveled through the last second of motion before hitting the ground.
A scuba diver and her gear displace a volume of 65 L and have a total mass of 68 kg. Will the diver sink or float
A football is thrown vertically upward with a speed of +20.0 m/s. Find its velocity when it returns to the level from which it started
a 4.6 kg block is at the top of a 2.50 m long incline that is at an angle of 37o above the horizontal. the incline is
A 1.5kg- block of ice is initially at a temperature of -7.0C a)If 2.6×10^5J of heat are added to the ice, what is the final temperature of the system? b)Find the amount of ice, if any, that remains.
a baseball has a mass of about 155 g. what is the magnitude of the momentum of a baseball thrown at a speed of 98 miles
A rocket is launched at an angle of 59.0° above the horizontal with an initial speed of 104 m/s. Find the maximum altitude reached by the rocket
A long straight thin round conductor carries a linearcharge density λ=7 μC/m. What is the electric field in the region outside the conductor.
A 1.2 kg toy car traveling at 2.0 m/s to the right collides and sticks to a 2.0 kg toy car traveling at 1.6 m/s to the left. What fraction of the total initial kinetic energy was lost in the collision
Air molecules in a warm room
In Denver, children bring their old jack-o-lanterns to the top of a tower and compete for accuracy in hitting a target on the ground, what is the launch speed needed to hit the bulls-eye
The maximum speed of a 3.2-kg mass attached to a springis 0.65 m/s, and the maximum force exerted on the mass is11 N. What is the amplitude of motion for this mass
question1calculate approximately the average power of a water wave when it hits chest of an adult standing in the water
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