You carry a 7.0 kg bag of groceries 1.2 m above the ground at constant velocity across a 6.8 m room. How much work do you do on the bag in the process? A) 396J B) 466J C) 0.0J D) 82J

Uniform circular motion can best be described as A) movement with right-angle turns. B) the motion of an object orbiting at varying speeds. C) acceleration parallel to the direction of movement.

A rotating platform of radius r = 2.7 cm starts from rest and accelerates with uniform angular acceleration α = 38 rad/s2. randomized variables r = 2.

What are some important words in the subject of science that have to do with matter.

A 0.4 kg block rests on a desk. the coefficient of static friction is 0.2. You push the side of the block but do not have a spring scale to measure the force you use. the block does not move.

Explain how do batteries work?

Which data set has the smallest standard deviation? A. 1,6,19,20,85,29,0 B. 22,22,23,23,22,22,23 C. 6, 7, 6, 7, 1004, 980, 350 D. 99, 199, 299, 55, 44,33, 22

To calculate the specific heat capacity of some liquid, we have poured 235 g of water at a temperature of 18.0°C into 250 g of this liquid at a temperature of 27.0 °C in a calorimeter with a heat capacity of 210 J/K. The temperature stabilized at 20.

How do you reduce friction

3. A 16 kg barrel is lifted up by a rope. The barrel accelerates at 1.4 m/s2. Find the force exerted by the rope. Show all your work. Answer:

I don't have it anymore since no one cared to answer