Question

A 12-kg iron ball is dropped onto a pavement from a height of 130 m . Suppose that half of the heat generated goes into warming the ball.

What is the temperature increase of the ball. (The specific heat capacity of iron is 450 J/kg ⋅ ∘C. Use 9.8 N/kg for g.).

Find answers to questions asked by student like you

Show more Q&A

Q: A stone is dropped at t = 0. A second stone, with 3 times the mass of the first, is dropped from the...

A: a)the centere of mass for the system is

Q: A 1400-N crate rests on the floor. Part A Part completeHow much work is required to move it at const...

A: Given:Weight of the crate = 1400 N

Q: The first displacement is 6 m and the second displacement is 3 m. They cannot add together to give a...

A: Total displacement will have maximum magnitude when the two displacements are in same direction. The...

Q: A father demonstrates projectile motion to his children by placing a pea on his fork's handle and ra...

A: Vertical component of initial velocity of projectile is,

Q: A girl of mass throws a ball of against the wall. The ball strikes the wall horizontally and it bou...

A: Click to see the answer

Q: A 28-g rifle bullet traveling 190 m/s embeds itself in a 3.1-kg pendulum hanging on a 2.8-m-long str...

A: From the conservation of total momentum, we have,

Q: Wendy walks 10 m in one direction at 2 m/s, then runs 6 m in the same direction at 6 m/s. Next, she ...

A: The average speed is the ratio of total distance traveled by an object and the total time taken by i...

Q: A 2.5 kW heater element from a dryer has a length of 59 cm. If a 12 cm section is removed, what powe...

A: Given values:Power of heater element, P = 2.5 KwInitial length of dryer, Li = 59 cm = 0.59 mFinal le...

Q: 3. What is the difference between constructive and destructive interference? Give an example of each...

A: (3) Constructive interference: When a crest interferes a crest or trough interferes a trough, it res...