An old teacher runs across the floor with a velocity of 0.5 m/s (he's slowing down) with a mass

of 80 kg.

a. How much KE does he have now?

b. what is the weight of the old teacher

What feature on earth plays a role in the carben cycle similar to that of forests? explain

Four containers A, B, C, and D contain tar. The tar in each of the containers A, B, C, and D have temperatures of 100°C, 200°C, 50°C, and 25°C respectively. Which statement is true? A.

Consider only the observed patterns of motion in the solar system. Scientifically, which of the following possible conclusions is justified from the patterns of motion alone?

Which would hit the ground first watermelon or apple

What is a good reashrch question on water evaporating and salt staying

Acceleration is a scalar quantity true or false

Find a numerical value for rhoearth, the average density of the earth in kilograms per cubic meter. Use 6378km for the radius of the earth, G=6.67*10-11m3 / (kg⋅s2), and a value of g at the surface of 9.80m/s2.

The driver of a car traveling at 32 m/s applies the brakes and undergoes a constant deceleration of 2.25 m/s^2.

The ability of an object to vibrate by absorbing energy at its natural frequency is called?

A hurricane in the Gulf of Mexico to 15 hours to travel 360 kilometers. What is the average speed of this hurricane in kilometers per hour?