A weight lifter lifts 150 kg to a height of 2m in 10 seconds. What is the power used? Remember, the force of an objects weight = mass x gravity

A. 30W

B. 1,500W

C. 294 W

D. 330W

Lila is a track and field athlete. Se has to complete four laps around the track, which is 400 meters. The race took her 6 minutes to complete. Which best describes her speed and velocity? Her speed is 4.4 m/s, and her velocity is 0 m/s.

If the intensity of light that is incident on a piece of metal is increased, what else will be increased? Choose all that apply. number of electrons ejected stopping voltage cutoff frequency frequency KEmax work function wavelength

In the standing waves experiment, the string has a mass of 47.3 g and a length of 0.93 m. The string is connected to a mechanical wave generator that produce standing waves with frequency of f.

The modern atomic model may seem strange when compared to earlier atomic models because it describes

What does a barometer measure? Question 15 options: Water pressure Conductivity Atmospheric pressure Liquid viscosity

In what direction does an applied force move an object? In the same direction as the force Independent of the force In the opposite direction of the force Perpendicular to the force

You (60 kg) and your friend (80 kg) are both floating on separate tubes next to each other on the San Marcos River. Now you push your friend with 10 Newton. Select all correct statements. A.

Six artificial satellites complete one circular orbit around a space station in the same amount of time. Each satellite has mass m and radius of orbit L.

A negative correlation between degree of wealth and likelihood of suffering from a psychological disorder would indicate that

1. What's your great idea for capturing carbon emissions from existing power plants today?