Answered: 1) A ball rolls down a 1 meter high…

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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Hi, please help me with those questions about Physics. Thank you so much.

1) A ball rolls down a 1 meter high ramp from rest, as shown in the figure. The mass of the ball is 1kg. What is the Kinemics Energy of the ball when it reaches the bottom of the ramp? Assume no friction.

2)

You drop a hot metal ball into cold water. Use the data in the table below, calculate the specific heat of the metal ball.
Mass of the metal ball 7.0 gram
Mass of water 100.0 gram
Initial temperature of the metal ball 200.0 C
Initial temperature of water 25.0 C
Final temperature of metal + water at equilibrium 27.3 C
Specific heat of water 1 calgram . C Specific heat of the metal ball ?

You drop a hot metal ball into cold water. Use the data in the table below,
calculate the specific heat of the metal ball.
Mass of the metal 7.0
ball
gram
100.0
Mass of water
gram
Initial temperature 200.0
of the metal ball
°C
Initial temperature
25.0 °C
of water
Final temperature
of metal + water
27.3 °C
at equilibrium
Specific heat of
cal
water
gram-ºC
Specific heat of
?
the metal ball

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