A car travels between the 100 meter and 250 meter highway mark in 10 seconds the average speed of the car during this interval is?

What average force is required to stop a 1400 kg car in 6.0 s if the car is traveling at 90 km/h? Express your answer to two significant figures and include the appropriate units.

A 10-kg mass is suspended by a rope. What is the acceleration if the tension in the rope is 118 N while the mass is in motion?

How much amount of heat is required to raise the temperature of 20 grams of water from 10°C to 30°C? The specific heat of water is 4.18 J/g°C.

Describe the role of consumers in a food web. Are consumers heterotrophs?

Is mercury (the planet) rocky or gaseous (meaning relating to or having the characteristics of a gas.)

How to find acceleration

Which of the following involves the emission of a particle that has the same mass of an electron with a positive charge. a. alpha decay c. positron emission b. beta decay d. nuclear forces

Which of the following is an example of distance

What outside force slows down a parachute?

A cable applies a vertical force to a crate with a mass of 70.0 kg. It first lifts the crate to a height of 12.0 m above the floor, and then lowers it back to the floor. What is the total work done by the force?