You kick a soccer ball with a mass of 2.5 kg at a speed of 10 m/s towards the net. The soccer ball has a kinetic energy of

(Don't forget your units!)

Why can crashes be considered two separate collisions?

I have a resistor connected to a power supply that delivers a fixed voltage for any current (up to some maximum current). With a multimeter, I find that the resistance of the resistor is 50 Ohm resistor and that the current flowing through it is 0.

Block B starts from rest and moves downward with a constant acceleration. Knowing that after slider block A has moved 400 mm its velocity is 4 m/s, determine (a) the accelerations of A and B, (b) the velocity and the change in position of B after 2

Implement the function lastChars () that takes a list of strings as a parameter and prints to the screen the last character of each string, one per line. If the list provided as a parameter is empty, the function prints a message to that effect.

A well-insulated tank in a vapor power plant operates at steady state. Saturated liquid water enters at inlet 1 at a rate of 125 lbm/s at 14.7 psia. Make-up water to replenish steam losses from the plant enters at inlet 2 at a rate of 10 lbm/s at 14.

Between a hypothesis and a prediction

A local reaction is when a chemical enters the bloodstream?

The rules for ordinary arithmetic involving addition, subtraction, and multiplication carry over into modular arithmetic. Tru

An air-conditioning system is used to maintain a house at 70°F when the temperature outside is 100°F. The house is gaining heat through the walls and the windows at a rate of 800 Btu/min, and the heat generation rate within the house from people,

The electricity we use is static or current electricity?