Una granada de 4kg inicialmente en reposo, estalla en dos trozos, uno de los cuales, de 2.5kg sale disparado hacia la derecha a 120m/s. Calcula la velocidad y el sentido del movimiento del segundo trozo.

Write a statement about your understanding of how momentum is conserved during a collision

Explain what outliers are. How do scientists deal with them, and how does this affect graphs

How do you find the net force acting on an object? a) find the largest force on the object b) add all the force vectors c) find the reaction force d) assume there is no friction

Michael Scott is driving through the parking lot and accidentally hits Meredith as she's walking to her car. If his car makes contact with her for 0.5 seconds and creates an impulse of 30 N*s, what force did his car strike Meredith with?

When dropped from the same height, will a minivan or tricycle hit the ground first? Why?

While playing with her 5 year old cousin, a Physics 135 student pushed him forward on his scooter. She pushes with a force of 50 Newtons for 3.5 seconds. If the boy and the scooter together have a mass of 30 kg, what is their final velocity? a. 2.

3. A 120.0 V generator supplies 3.0 kw of power. How much current ca the generator deliver?

An apple drops from a tree and hits the ground in 1.5s what is its speed just before it hits the ground?

Sound travels slow in cold air. Why does the speed of sound depend on air temperature?

A tow truck pulls a 500 kg car so that the car accelerates 2 m/s2. What is the net force on the car? 250 N 498 N 1000 N 502 N