A 1776 kg car has a speed of 10.3 m/s when it hits a tree. the tree doesn't move and the car comes to rest. find the change in kinetic energy of the car. answer in units of j.

Is there a buoyant force on an object at the bottom of the ocean

A man cleaning his apartment pushes a vacuum cleaner with a force of magnitude 39.9 N. The force makes an angle of 24.7° with the horizontal floor. The vacuum cleaner is pushed 2.51 m to the right along the floor. Calculate the work done by the 39.

How are physical and chemical changes similar?

The use of gravity waves, which do not interact with matter in the way electromagnetic waves do, hopefully will enable astronomers to study the actual formation of black holes and neutron stars. A.

What parts of the geosphere are involved in plate tectonics

Does an odometer measure distance or displacement

Obesity refers to gradual weight gain as a person grows older

A dog (mass 12.3 kg) sits on a sled (mass 5.1 kg) that is being pushed with a force of 33 N on a flat snowy surface. If the acceleration of both is 1.5 m/s2, what is the coefficient of kinetic friction for the sled sliding on the snow?

There is a 50 g sample of Ra-229. It has a half-life of 4 minutes. How much will be left after 12 minutes? A. 3.13 g B. 6.25 g C. 12.5 g D. 25 g

You are holding a block of wood with dimensions 3 cm 6 cm 9 cm on the palm of your hand. Which side must be touching your hand for you to experience the greatest force? A. 3 cm x 6 cm side B. 6 cm x 9 cm side C.