A woman of mass 42 kg jumps off the bow of a 55 kg canoe that is intially at rest.
If her velocity is 3 m/s to the right, what is
the velocity of the canoe after she jumps?
Answer in units of m/sˆı.

How does the image distance (di) of a convex lens compare with the image distance of a concave lens? a. the image distance of the convex lens is positive, and that of the concave lens is negative. b. both are negative for a virtual image. c. both are positive for a virtual image d. the image distance of the convex lens is negative, and that of the concave lens is positive.

Will give brainliest! jay rides his 2.0-kg skateboard. he is moving at speed 5.8 m/s when he pushes off the board and continues to move forward in the air at 5.4 m/s. the board now goes forward at 13 m/s.a. determine jay’s mass.b. determine the change in the internal energy of the system during this process.(express your answer to two significant figures and include the appropriate units.)

Aman throws a football straight into the air. as it rises, it slows down. which type of energy is the football gaining?