A car moving east at 45 km/h turns and travels west at 30 km/h. What is the magnitude and direction of the change in velocity?

Conserving energy makes which type of energy last longer?

Two frisky grasshoppers collide in midair at the top of their respective trajectories and grab onto each other, holding tight thereafter. One is a robust 250 g beast initially moving south at 15.

A 700-watt gasoline engine and a 300-watt electric motor both do 3 joules of work. which machine can do the work faster?

What principle of joint operations entails expending minimum essential combat power on secondary efforts in order to allocate the maximum possoble combat power on primary efforts?

Describe what occurs at a destructive boundary. Explain what folding is and give an example of a mountain region formed by folding. this is for earth science btw

The horsepower unit is commonly used to indicate the power rating of household appliances.

A 50.9 kg box initially at rest is pushed 5.65 m along a rough, horizontal floor with a constant applied horizontal force of 247.25 N. If the coefficient of friction between box and floor is 0.466, find the work done by the applied force.

Which of the following best defines absolute threshold? A. The presence of stimulus for detection. B. The absence of stimulus from detection. C. The weakest amount of stimulus one can detect. D. The greatest amount of stimulus one can detect.

Liquid hazardous wastes are blended in a CSTR to maintain a minimum energy content before burning them in a hazardous waste incinerator. The energy content of the waste currently being fed is 8.0 MJ/kg (mega - joules/kilogram).

Explanation's of E=MC²