A pelican is flying with a momentum of 50 kg. m. m/s. If it is flying 5 m/s east, what is the mass of the pelican?

An automobile traveling along a straight road increases its speed from 30.0 m/s to 50.0 m/s in a distance of 180 m. If the acceleration is constant, how much time elapses while the auto moves this distance

Two people are rowing a boat at a speed of 9 m/s. in 3 seconds, they dock the boat at a pier. what is the boatâs acceleration?

Which of the following is the only requirement for an object to be in projectile motion? A. The horizontal and vertical motions are independent. B. The path of the object follows the curve. C there must be no horizontal acceleration. D.

Which of the following is the best example of a proper hypothesis? Water will flow faster through tightly packed soil than through loosely packed soil. I think there is no effect on hearing if you listen to loud music for only three hours a day.

A speedboat initially at rest accelerates uniformly at 4.0 m/s (squared) for 7.0 s. How fast is the boat moving after 7.0 s?

Two lab carts are pushed together with a spring mechanism compressed between them. Upon release, the 5.0 kg cart repels one way with a velocity of 0.12 m/s. The 2.0 kg cart goes the other way. At what velocity does it travel?

A bowling ball has a mass of 7.2 kg and a weight of 70.6 N. It moves down the bowling alley at 1 m/s and strikes a pin with a force of 15.0 N. What is the force that the pin exerts on the bowling ball?

an electric clothes dryer has a resictance of 16 Ohms it drawes 15 A of current what is the voltage in volts of the wall outlet that it is pluged into

A lorry with a mass of 5000kg accelerates to overtake a caravan on the motorway. Its acceleration is 1.5m/s². What force must the engine be providing? You can ignore the effects of friction and air resistance

Norma kicks a soccer ball with an initial velocity of 10.0 meters per second at an angle of 30.0% if the ball moves though the air for 3.2 seconds what's the horizontal distance traveled by the ball