Aroller coaster car rapidly picks up speed as it rolls down a slope. and it starts down the slope, its speed is 4 m/s. but 3 seconds later, at the bottom of the slope, its speed is 22m/s what is the acceleration?

What is the primary force that suspension bridges use cables to hold their spans up? a. tension force b. resistance force c. normal force d. elastic force e. applied force

This is important. 1. which of the following is an si base unit for measuring length? (2 points) inch gram meter mole 2. which of the following units for distance is an si unit? (2 points) centimeter foot inch yard 3. which of the following tools should a scientist use to measure an object in meters? (2 points) electronic balance pan balance tape measure thermometer

Which situation will produce the greatest change of momentum