A crash test dummy is inside a test car moving at 55 km/h. How fast is the dummy moving relative to the seat he is sitting in?

Which object has the most gravitational potential energy? A. an 8 kg book at a height of 3m B. an 5 kg book at a height of 3 m C. A 5 kg book at a height of 2 m D. a book at a height of 2 m

Two equal-magnitude forces are applied to a door at the doorknob. The first force is applied perpendicular to the door, and the second force is applied at 60° to the plane of the door. Which force exerts the greater torque about the door hinge? A.

stone is thrown vertically down with a velocity of 20 m / s. How much is the velocity with which the stone strikes the ground 20 m below?

True or False - Being tall was always thought as an advantage when running the 100 M. True False

Consider two copper wires with the same cross-sectional area. Wire a is twice as long as wire b. How do the resistivities and resistances of the two wires compare?

TRUE OR FALSE The survival rate of those who receive immediate treatment for cardiogenic shock is about 90%. im bored and hate to think ya dig

A boy runs 100m due North and 100m due east. what is displacement?

A saturated solution of lead (II) nitrate was made at 50 °C using 100 g of water, and this was then allowed to cool to 30 °C. Predict what would happen as the solution cooled?

Two loudspeakers at an outdoor rock concert are located 3.8 meters apart. You are standing 17.1 meters from one of the speakers and 20.3 from the other.

If a caterpillar is moving in a straight line at a speed of 7 cm/s, how long will it take the caterpillar to reach a green, leafy plant that is 56 cm away?