Ahockey player skates across a rink of length 75 m in 8.9 seconds.

a. what is the average speed of the hockey player?

b. it takes the hockey player 6 seconds to increase his speed from 3 m/s to 7.4 m/s. what is the acceleration of the hockey player?

c. the hockey player is moving at a speed of 9.5 m/s when eh starts to brake. he comes to a stop after traveling a distance of 4 m. what was his acceleration?

The table below shows the acceleration of gravity on different bodies in the solar system. on which body would a 10 kg lamp has the most gravitational potential energy when lifted to a height of 2 m? a. earth b. mars c. neptune d. uranus

Awave with a frequency of 500 hz is traveling at a speed of 100 m/s. what is the wavelength?

Which of these statements best explains how the hydrosphere interacts with the atmosphere to affect global climate? mountains block rain clouds and cause changes in global rainfall and evaporation. humans burn fossil fuels to produce greenhouse gases which cause global warming. humans cut down trees which affects the amount of oxygen in different parts of the globe. greenhouse gases, like carbon dioxide, dissolve in oceans and prevent global warming.