Which requires more work: lifting a 50kg box vertically for a distance of 2m, or lifting a 25kg box vertically for a distance of 4 meters. How do you know?

Ways to accelerate an object

Where in the solar system are most asteroids located? A. near the Sun B. in the Asteroid Belt C. between the orbits of Jupiter and Saturn D. between the orbits of Uranus and Neptune

Acceleration can be best described as: The ability of an object to stay still. The ability of an object to speed up. The ability of an object to stop. The ability of an object to slow down.

A dog runs east for 21.25 meters. it takes the dog 8.5 seconds to cover this distance. what is the dog's average velocity? a. 1.5 m/s east b. 2.5 m/s east c. 3.5 m/s east d. 4.5 m/s east

Describe what long sight is and how it is corrected with a lens

A force acts on a 5kg object at rest. How fast will the object accelerate on a frictionless surface? A.) 4 m/s^2 B.) 15 m/s^2 C.) 25 m/s^2 D.) 100 m/s^2

Four wrestlers step on a scale for a tournament. Wrestler A weighs in at 170 pounds; wrestler B weighs in at 168 pounds; wrestler C weighs in at 171 pounds; and wrestler D weighs in at 169 pounds.

What is a change in velocity per time

Recall specific heat of water is 4186 j/kg/C. Find the specific heat of sample. Water. Sample Mass 109 192 Internal temperature. 21. 67 Final temperature. 30.1. 30.1

During which period did the first large herbivores and carnivores appear?