a hammer falls off a roof and strikes the ground with a certain kinetic energy. If it fell from a roof twice as tall, how ouwld its kinetic energy compare? Explain.

The creation of carbon monoxide is an effect. What is one cause? A the regrouping of the atoms in table salt B the burning of fossil fuels C cleaning swimming pools D operating a stove

Give a statement the best explains the relationship between current, voltage, and resistance.

Why is life unlikely to be found on the surface of Mars today?

how much work does an elephant do while moving a circus wagon 23 meters with a pulling force of 250N at an angle of 38 degrees?

A coil of wire that is carrying a current and produces a magnetic field is a. a galvanometer. b. a solenoid. c. a magnetic domain. d. an electric motor.

What are the arrangement of resistors in series

A cell provides 6 V to an LDR. The current through this LDR is measured and is found to be 3 A. What is the resistance of the LDR?

A car travels along eastward with a constant velocity. the magnitude of the acceleration of the car is

What is the weight of a 65 kg astronaut on mars?

When lava cools, what type of Rock forms?