A block of mass 20 kg sits on a ramp with an angle of 31 degrees above the horizontal. Assuming no friction, how fast will the block accelerate down the ramp?

7.89 m/s^2

5.34 m/s^2

2.98 m/s^2

4.17 m/s^2

The maximum power output of an engine is usually given in units called

Are any rocks that form from another rock as a result of change in blank or blank

What is the speed of a wave with a frequency of 0.2 Hz and a wavelength of 100 meters?

which of the following objects can you use to roughly visualize a length of 1 meter ? the length of an ant on a sidewalk? the length of a 2 liter bottle of soda pop? the height of a kitchen counter? the length of a football field?

Dana has a sports medal suspended by a long ribbon from her rearview mirror. as she accelerates onto the highway, she notices that the medal is hanging at an angle of 15 â from the vertical.

Which type of orbital will be occupied by the electrons of highest energy for the In + ground-state ion?

A ball is thrown with an initial speed of 10. meters per second. At what angle above the horizontal should the ball be thrown to reach the greatest height? (1) 0° (3) 45° (2) 30.° (4) 90.°

If you change the mass of a moving object, you change its?

Acceleration increases over time once a force is applied to the object. Given a force of 10.0 Newtons, which mass will have the greatest acceleration?

Which resources does the National Park Service manage? Check all that apply. seashores monuments memorials wildlife refuges ecosystems endangered species