Two bumper cars move in a straight line with the following equations of motion: x1 = - 4.0 m + (1.1 m/s) t x2 = 8.8 m + (-2.9 m/s) t what time do they collide?

Explain how your weight would change if you were on a space ship traveling to the moon

Which of the following best describes work being done by someone's arms? a. a child building a sand castle b. a mother holding a baby c. a boy pushing on a tree d. a traveler carrying luggage

Which improves air circulation in forced-air heating? 1. convection 2. radiation 3. conduction

Three characteristics of scissor

An oxygen sensor is being tested with a digital multimeter using the MIN/MAX function. The readings are: minimum = 78 mV; maximum = 932 mV; average = 442 mV. Technician A says that the engine is operating normally.

My Notes A basketball rolls across a classroom floor without slipping, with its center of mass moving at a certain speed. A block of ice of the same mass is set sliding across the floor with the same speed along a parallel line.

How does sound travel through waves?

Solve for real t: - 25=20t-5t^2

Contrast balanced and unbalanced forces.

A wave will travel only as long as it has energy