A child sits motionless on a swing. Which of the following forces does not act on the swing?

Some towns have decided to bury their garbage to get rid of it. What is one harmful effect of this practice?

What do two or more elements combine to from? A compound An element A substance A solution

Give an example of the of conservation of momentum

What is the momentum of a 2 kg shopping cart if it's moving at a speed of 5 m/s

What comes from batteries? a watts b amperes c volts d ohms

Men in the age of 18-34 years need to be able to run a marathon in 3 hours and 10 minutes to qualify for the Boston Marathon. How many seconds is this? Show your work.

What is the center of our solar system?

A - 4.0-µC charge is located 0.45 m to the left of a + 6.0-µC charge. What is the magnitude and direction (to the right or to the left) of the electrostatic force on the positive charge?

A potter's wheel of radius 16 cm starts from rest and rotates with constant angular acceleration until at the end of 32 s it is moving with angular velocity of 10 rad/s. what is the angular acceleration? answer in units of rad/s 2.

The froghopper, Philaenus spumarius, holds the world record for insect jumps. When leaping at an angle of 58.0∘ above the horizontal, some of the tiny critters have reached a maximum height of 58.7 cm above the level ground.