A0.500 kg object is thrown vertically upward with an average applied force of 8.20 n by a student. the force is applied through a displacement of 1.50 m a. what is the average net force acting on the object? b. what is the velocity of the object when it leaves the student's hand? (assume initial velocity is zero)

Calculate the mass of an object that has a momentum of 100kg x m/sec and velocity of 4 m/sec

Amother used 150 watts of power to raise a 15 newton object in a time interval of 8.0 seconds. through what vertical distance was the object raised ?

Afisherman notices that his boat is moving up and down periodically, owing to waves on the surface of the water. it takes a time of 2.70 s for the boat to travel from its highest point to its lowest, a total distance of 0.700 m. the fisherman sees that the wave crests are spaced a horizontal distance of 6.50 m apart. a. how fast are the waves traveling? b. what is the amplitude a of each wave?