You have a rock with a volume of 15 cm 3 and a mass of 45 grams. What is its density?

gravity increases proportionally with mass and it decreases as the square of the distance between two masses true false

What characteristics determine how easily two substances change temperature

The gravitational acceleration on the moon is about one-sixth the size of the gravitational acceleration on Earth. According to Newton's second law of motion, what happens to an astronaut who goes to the moon? A.

How can I make my own physics problem using 2D forces and inclines?

1. how did the methods of early structuralists and functionalists differ? name a psychologist that took each approach.

Discuss how electromagnets have been created that are strong enough to pick up cars in a wrecking yard and are able to be switched off, dropped the cars onto a scrap pile to be crushed.

A block with mass m1 = 9.4 kg is on an incline with an angle θ = 25° with respect to the horizontal. For the first question there is no friction, but for the rest of this problem the coefficients of friction are: μk = 0.22 and μs = 0.242.

What is tendonitis? a. inflammation of the tendon c. tear in the tendon b. overstretched tendon d. none of the above

Two sections, A and B, are 0.5 km apart along a 0.05 m diameter rough concrete pipe. A is 115 m higher than B, the water temperature is 4 °C, and the pressure heads measured at A and B are 21.7 m and 76.1 m, respectively.

What is the turntable's angular velocity at t = 2.5 s? express your answer to two significant figures and include the appropriate units?