Is anybody else's app not working?

Every time you and your friend study for an exam while listening to classical music both of you do well on exam. What testable hypotheses can you develop from your observation?

What is Newton's law of motion

A man with mass 82 kg runs at a speed of 2.8 m/s. How much kinetic energy does he have?

According to general relativity, light : travels along a curve due to length contraction travels in a straight line travels along a curve due to uniform speed travels along a curve due to uniform gravity

Which aspect of the personality exists from birth? 1. The ego 2. The id 3. The alter ego 4. The superego

What's the difference between the offspring of an asexual organism and a sexual organism

The contamination that results from the spread of bacteria from meat to vegetables is called

A rock has a mass of 5 kg on the moon. What is the mass of the rock on the earth

A battery applies 45 volts to a circuit, while an ammeter reads 10 ma. later, the ammeter reading drops to 7 ma. assuming the resistance has not changed, the voltage must have

A 150-kg object takes 1.5 minutes to travel a 2,500 - meter straight path. It begins the trip traveling 120 m/s and decelerates to a velocity of 20 m/s. What is the acceleration?