Li is riding her bicycle at 8.0m/s. she slows down to 4.0m/s. her change is velocity is m/s. if li takes 2 seconds to make this change her acceleration is m/s squares

Give one example to show that when substances are mixed, it may result in a chemical or a physical change depending on the conditions.

Which statement is true about an object that is moving in a circular motion due to centripetal force, f, when the radius of its circular motion is doubled? the new force then becomes equal to 2f the new force then becomes equal to f the new force then becomes equal to f/2 the new force then becomes equal to f2 the new force then becomes equal to 1/f

Astudent pushes a 40-n block across the floor for a distance of 10 m. how much work was applied to move the block? a. 4 j b. 40 j c. 400 j d. 4000 j