Determine the mechanical energy of this object: a 2-kg pendulum has a speed of 1 m/s at a height of 1/2 meter.

A: 1 J

B: 10.8 J

C: 2 J

D: 9.8 J

A scientist reports that the pressure of the eye of a hurricane is decreasing. What does this mean? A. The hurricane is getting smaller. B. The hurricane is getting stronger. C. The hurricane will hit the land. D. The hurricane will not hit the land.

A 50-kilogram student threw a 0.40-kilogram ball with a speed of 20 meters per second. What was the magnitude of the impulse that the student exerted the ball?

During drum brake shoe installation, Technician A says the parking brake rear cable and conduit tension should be checked whenever the rear drum brakes are removed.

the temperature of the core of the sun is about 15,000,000°C use scientific notation to write the temperature of the suns core

Why it is not possible to determine drift velocity of electron by timing its travel through conductor.

What should you do when operating a boat in large waves and high wind?

A planetary nebula forms when the outer layers are expelled from which type of star?

During a medical condition screening lung capacity testing is a standard procedure. True of false

Which of the following is a unit of energy found in food? a). vitamin b) calorie c) nutrient d) water

As one goes from left to right in a period, which of the following is true? A. The number of protons decreases. B. The number of valence electrons increases. C. both A and B D. none of the above