Question 9 What Is The Total Thermal Energy Of A Gas At 35 5 C That Has 1 8 102 Molecules Express Your Answer In Joul 1 (54.55 KiB) Viewed 36 times
Question 9 What is the total thermal energy of a gas at 35.5 °C that has 1.8×102² molecules. Express your answer in joules (J) Hint: Use the right unit for temperature. Question 10 A refrigerator is an example of O Cold Rservoir O Heat Pump O Heat Engine O Reversible process O Hot Reservoir Question 11 A 141 g blcok is moving with a speed of 8 m/s on a friction less surface. A spring of spring constant 32 N/m is attached at the end of the surface. How much will it compress the spring before coming to a complete stop? Maintain three significant figure. Express your answer in meters (m)
Question 13 Two masses 93 g and 342 g are attached with a string and hanged on a pulley. what would be the magnitude of acceleration of mass 342 g? Express your answer in m/s² m₂ Question 14 m₂ Express your answer in newtons (N) 1 ms 10-3 s Question 15 10 pts A squash tennis player hits a 53.6g tennis ball towards the wall and given a speed of 24 m/s, it is then bounced straight back from the wall with a speed of 21 m/s. What is the magnitude of the force if the time of interaction between the ball and the wall is 5.58ms? 10 pts 10 pts Maher is in the elevator and the elevator is moving down with a constant velocity of 2.62 m/s, What is the normal force (in Newtons) on him by the floor? (Maher's mass is 63.5 kg)
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