A 30 kg child on a skateboard

experiences a 75-N force as shown

F = 75 NOIA

What is the expected acceleration of the

child?

5. Which of these waves do NOT require a medium? Sound, ocean, radio, or seismic

Which two forms of energy does a hairdryer convert electric energy into?

Identify at least two ways that runoff can negatively impact an ecosystem.

Coulomb's law is expressed mathematically as

At a particular instant the magnitude of the momentum of a planet is 2.60 * 10^29 kg·m/s, and the force exerted on it by the star it is orbiting is 8.5 * 10^22 N.

Which best explains the relationship between the speed of sound and the medium through which it passes?

g The magnetic force on a charged particle A. depends on the sign of the charge on the particle. B. depends on the velocity of the particle. C. depends on the magnetic field at the particle's instantaneous position. D.

How fast must a 1000 kg car be moving to have a kinetic energy of 1.0 kWh

Which of the following is used to measure weight? Newtons Liters Kilograms Meters

Intravenous infusions are often made under gravity. At what height should the bottle be placed so the liquid pressure is 700 mm-H2O?