The specific heat of iron is 0.11 cal (g°

c. a cafeteria fork made of iron has a mass of 20 grams. how much heat energy is needed to raise the temperature of this fork from 25°c to 75°c?

Is it excepting the center of mass the other part of the object does not have weight?

How is a seismograph similar to an X-ray?

Which of the following is an example of a velocity? Question 3 options: 284 cm/sec southwest 65 miles per hour 24.5 m/sec2 15 miles in 2 hours

Tires are rotated to A. preserve the warranty. B. preserve the front-wheel alignment. C. prevent tire scrubbing. D. promote even wear.

Which would take more force to stop in 10 seconds: an 8.0-kilogram ball rolling in a straight line at a speed of 0.2 m/s or a 4.0-kilogram ball rolling along the same path at a speed of 1.0 m/s?

I'm which medium does sound travel fastest railroad track or across the room

A gas has a volume of 300 ml at 300 kpa. what will its volume be if the pressure is changed to 600 kpa?

It takes Amir 4 seconds to run from his front door to the mailbox. If he can run at a top speed of 6.5 m/s, how far is it from his front door to the mailbox? A) 24.5 meters B) 26 meters C) 30.5 meters D) 32 meters

suppose mario is meeting a friend at noon. if he leaves his house at 11:55 a. m., at what average speed does he have to travel to make it there on time? write you're answer in m/s.

You push a cart with mass 30 kg forward, giving it an acceleration of 5 m/s How much force did you apply?