Physics, 12.02.2021 19:10 jojo887314
What is the heat energy generated/emitted by the metal when a 250 kg lump of iron cools from 650° C to 20° C? Specific heat of iron is 449 J/kgC
Answers: 3
Physics, 21.06.2019 15:30
Iflow from a warmer object to a cooler object until both objects are the same temperature what am i?
Answers: 2
Physics, 21.06.2019 23:20
According to newton's second law, when the same force is applied to two objects of different masses, a the object with greater mass will experience a great acceleration, and the object with less mass will experience an even greater acceleration, b. the object with greater mass will experience a smaller acceleration, and the object with less mass will experience a greater acceleration, c. the object with greater mass will experience a greater acceleration, and the object with less mass will experience a smaller acceleration, d. the object with greater mass will experience a small acceleration, and the object with less mass will experience an even smaller acceleration.
Answers: 1
Physics, 22.06.2019 00:50
While goofing off at the ice skating rink, a student takes off her shoes and places each of them on the ice. her friend, a hockey player, then shoots a hockey puck at each shoe. the first puck immediately comes to rest after it collides with the left shoe. the second puck rebounds after it collides with the right shoe. if each hockey puck has the same incoming speed, which shoe has greater speed after the collision? the right shoe. both shoes have the same speed. the left shoe.
Answers: 3
Physics, 22.06.2019 04:30
Erosion of the beach is normally a slow process. however, in certain situations, large chunks of shore may wash out to sea. what could cause this to happen?
Answers: 3
What is the heat energy generated/emitted by the metal when a 250 kg lump of iron cools from
650° C...
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