sanchezkathy11 sanchezkathy11

07-06-2021
Physics

contestada

A 1.5 kg rock is dropped from a height of 2.0 meters onto a spring that
compresses and brings the rock to rest. (Assume no losses to thermal
energy.) How much energy is in the system before the drop.

Respuesta :

helper27738 helper27738

07-06-2021

Answer:

29.4 J

Explanation:

Before the drop, the system has only the gravitational potential energy, and this energy us given by mass×gravity×height:

1.5•9.8•2 = 29.4 J

Answer Link

Otras preguntas

A sample of an ionic compound that is often used as a dough conditioner is analyzed and found to contain 4.628 g of potassium, 9.457 g of bromine, and 5.681 g o

A Carnot refrigerator is operated between two heat reservoirs at temperatures of 320 K and 270 K. (a) If in each cycle the refrigerator receives 415 J of heat e

a circle is inscribed in a square. the circumference of the circle is increading at a constant rate of 6 inches per second. As the circle expands, the aquare ex

Design brief is a written plan delineating strategy, objectives, expectations, audience, brand, and group perception, and it may include budget and media inform

Around hydrothermal vents at depths of more than 2,500 m, scientists have found colonies of giant tube-dwelling worms. The worms contain symbiotic prokaryotes t

__________involves making sure that the activities required to complete a project are done on time

The patient is receiving gemfibrozil (Lopid). The nurse has completed discharge instructions about this medication. The FNP recognizes that teaching has been ef

Bob says that he can estimate 72petcent of 400 using two fractions is he right

Sjcam used a penetration pricing strategy to introduce its Legend action camera to compete with the latest GoPro offering. Which of the following conditions wou

A youth barracks has enough food for 125 youths for 16 days.how long will the food last if 75 more youths join