A boy lifts a 30N dragon 2 meters above the ground. How much work did the boy do in the dragon? What is the work?

Hich would increase the speed of a sound wave? Check all that apply.

What might be happening since 1880 for average global temperatures to increase

Which are characteristics of a healthy relationship? Check all that apply. -mutual respect and trust -control and manipulation -jealousy and distrust -genuine affection -separate identities -open communication

A car (mass of 830 kg) is sitting on a car lift in a shop (neglect the mass of the lift itself). While the car is being lifted up, it is speeding up with 3.8 m/s2. What is the magnitude of the lifting force?

Which of the following is true? A. The Earth and Moon both exert a gravitational force on each other. B. The Moon exerts a gravitational force on the Earth, but the Earth does not exert a gravitational force on the Moon. C.

The state of matter that has particles that slide by one another

Temperature is usually measured in degrees with a (n)

Two lab carts are pushed together with a spring mechanism compressed between them. Upon release, the 5.0 kg cart repels one way with a velocity of 0.12 m/s. The 2.0 kg cart goes the other way. At what velocity does it travel?

A bowling ball has a mass of 7.2 kg and a weight of 70.6 N. It moves down the bowling alley at 1 m/s and strikes a pin with a force of 15.0 N. What is the force that the pin exerts on the bowling ball?

an electric clothes dryer has a resictance of 16 Ohms it drawes 15 A of current what is the voltage in volts of the wall outlet that it is pluged into