A cross country skier can complete a 7.5km race in 45 minutes. What is the skier's average speed?

Potencial energy is based on a object's A Gravity B Mass C Position D Kinetic

Ocean bulges are caused by the area between bulges of water in the ocean is called

According to Faraday's law, a coil in a strong magnetic field must have a greater induced emf in it than a coil in a weak magnetic field.

Select all of the statements that are true. Each orbit holds a fixed number of electrons. The n = 1 orbit can only hold two electrons. Each orbit can hold an unlimited number of electrons. Each orbit is limited to a maximum of four electrons.

An object with a mass of 100 grams is dropped from a certain height and has a velocity of 60 meters/second. if the potential energy of this object is 179.99 joules, how high was the object when it was dropped?

A provides resistance in an electric circuit. a. wire b. light bulb c. switch. d. battry

Why is it good for scientist to be skeptical

Which of the following describes a scientific law? A. based of scientific evidence B. explains how and why nature does what it does C. not based of scientific evidence

Before leaving her home, Myesha makes sure that every electrical appliance is unplugged and checks that every window and door is securely locked. She checks everything seventeen times according to a strict ritual that she has worked out.

a minibus drives 238 miles with a constant speed of 84 mph and another 80 miles with a constant speed of 60 mph. how much time in total does it take to travel these distance?