In what direction does an applied force move an object? A. in the same direction as the force B. independent of the force C. in the opposite direction of the force D. perpendicular to the force
Determine the quantity of work done when a crane lifts a 100-N block from 2 m above the ground to 6 m above the ground. A. 100 J B. 200 J C. 400 J D. 600 J
A student pushes a 40-N block across the floor for a distance of 10 m. How much work was applied to move the block? A. 4 J B. 40 J C. 400 J D. 4000 J
How is it possible for a single sedimentary rock to contain rock particles animal shells and minerals that crystallized from water?
You have trained all year for a marathon. In your first attempt to run a marathon, you decide that you want to complete this 26-mile race in 4.5 hours. What would your average speed have to be to complete the race in 4.5 hours? Give you answer in kilometers per hour.
Scientists use different types of microscopes to observe objects that are not visible to the naked eye. A scientist is reviewing various samples of pond water to determine what species of microorganisms live in the pond. The scientist wishes to make drawings of the structure of each microorganism and study each one's method of movement. Which of the following microscopes would be best for the scientist to use? a. transmission electron microscope b. scanning electron microscope c. compound light microscope d. dissecting microscope
A 1-kilogram coconut falls out of a tree from a height of 3 meters. Determine the coconut's kinetic energy.
