An 85 kg construction worker has 37,485 J of gravitational potential energy. To the nearest whole number, the worker is m above the ground.

Part complete during a collision with a wall, the velocity of a 0.200-kg ball changes from 20.0 m/s toward the wall to 12.0 m/s away from the wall. if the time the ball was in contact with the wall was 60.

Calculate the orbital period for Jupiter's moon Io, which orbits 4.22*105km from the planet's center (M=1.9*1027kg).

In which situation is maximum work considered to be done by a force? A. The angle between the force and displacement is 180º. ОВ. The angle between the force and displacement is 90°. C. The angle between the force and displacement is 60°. D.

True or false? A tide with the least distance between low and high tides is called a neap tide.

What is the average speed of a car that travels 600 km in 10 hours?

A soccer ball player bounces the ball off her head, changing the velocity of the ball. She changes the x-component of the velocity of the ball from vix = 7.9 m/s to vfx = 5.9 m/s and the y-component from viy = - 3.4 m/s to vfy = 4.5 m/s.

Do you think an observer on another planet in the solar system might see eclipses

A. A vector is any element of a vector space. Is this statement true or false? A. True by the definition of a vector space B. False; not all vectors are elements of a vector space. C. False; a vector space is any element of a vector.

19 Which gas is the most abundant greenhouse gas? A. ozone B. chlorofluorocarbon C. carbon dioxide OD. methane E. water vapor Reset Next

The plates of a parallel-plate capacitor are maintained with a constant voltage by a battery as they are pushed together, without touching. How is the amount of charge on the plates affected during this process? a.