What force is needed to give a 4.5 kg bowling ball an acceleration of 9 m/s^2

At t = 0.0 s, a runner is moving forward (in the positive direction along the x-axis) at a speed of 7.0 m/s. For 2.0 s the runner accelerates to his left at 0.50 m/s2 and backward at 1.0 m/s2 . What is the runner's position at t = 2.

A car has an initial velocity of 15m/s. How far does it travel in the first 10 seconds with a decelaration of 1m/s?

Which element would most likely form an ionic bond with nitrogen (N) ? a. O b. P c. C d. K

Which of the following describes the relationship between the weight of fluid displaced by an object and the buoyant force exerted on the object?

Gustavo and Beatriz are pushing on a door in opposite directions. If the door does not move, the forces are. The net force in this scenario would be

When NASA's Skylab reentered the Earth's atmosphere on July 11, 1979, it broke into a myriad of pieces. One of the largest fragments was a 1770-kg lead-lined film vault, and it landed with an estimated speed of 120 m/s.?

A spring gains 2.34 joules of elastic potential energy as it is compressed 0.250 meter from its equilibrium position. What is the spring constant of this spring? (1) 9.36 N/m (3) 37.4 N/m (2) 18.7 N/m (4) 74.9 N/m

Form hypothesis: Where do you think we humans get energy?

The distance from home plate to the pitchers mound is 18.5 meters. For a pitcher capable of throwing at 3.85m/s (86mi/hr), how much time elapses between the release of the ball and the ball passing home plate?

A squirrel sitting on the ground starts to run with an acceleration of 5.1 m/s 2. How fast is the squirrel going after 0.25 seconds? A. 20.4 m/s B. 1.28 m/s C. 0.49 m/s D. 3.1 m/s