Q 7 please Q7 A stone is thrown (v₁ = 20 m/s) from the ground with angle 60⁰above the horizontal. At an instant the x component of the position is10m what is the height of the stone, y, in m?A) 12.05B) 6.96C) 14.64Q8 In the system, shown in the figure, assume that the surfaces arefrictionless, if M = 2.1 kg, calculate the mechanical energy forthe mass M before the system starts moving, in J?C) 600C) 1.20m5m"aA) 42B) 30C) 34D) 38Q9 Calculate the mechanical energy, in J, for the mass M when the mass 2M hit the ground:A) 38.5B) 47.6C) 43.1D) 34.0MD) 12.321.5m2mMQ10 A 3 kg is hanged vertically at the end of a spring, the spring is stretched 8 cm and become at rest, what isthe spring constant, in N/m?A) 375B) 500Q11 The energy stored in the spring is, in J?A) 0.45B) 0.75Q12 A student used the experiment, shown inthe figure, to find the kinetic friction coefficient,Hk between the mass m and the table (the tableis flat). As a result, he found the relationbetween the normal force (n) and the kineticfriction force (f), as shown in the graph.calculate the kinetic friction coefficient (μ)?60°10mD) 1000D) 0.90n (N)84A) 4.00B) 2.00C) 0.50D) 0.25Q13 If m= 2kg and M = 7kg calculate the acceleration of the system, in m/s²?A) 7.22B) 6.88C) 6.43D) 5.832My0.4mF, (N)

Answered: Image /qna-images/answer/ff57ddf2-044a-45c3-a3b8-32d157d487b6.jpg

Q7 A stone is thrown (v₁ = 20 m/s) from the ground with angle 60⁰ above the horizontal. At an instant the x component of the position is 10m what is the height of the stone, y, in m? A) 12.05 B) 6.96 C) 14.64 08 In the curtam shown in the figure assume that the surfaces are "a D) 12.32 M 60° 10m 2 y F

Q7 A stone is thrown (v₁ = 20 m/s) from the ground with angle 60⁰ above the horizontal. At an instant the x component of the position is 10m what is the height of the stone, y, in m? A) 12.05 B) 6.96 C) 14.64 08 In the curtam shown in the figure assume that the surfaces are "a D) 12.32 M 60° 10m 2 y F

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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