Problem 8: Consider a bowling ball of mass M attached to two ropes. One rope is being ulled horizontally. The second rope is tied to the ceiling (see figure) and is at a 45° with respect to ne ceiling.The bowling ball is stationary. T, T, M Please use the interactive area below to draw the Free Body Diagram for the bowling ball. 1 Add Force O Reset All Ftotal,x: Ftotal,y:

Problem 8: Consider a bowling ball of mass M attached to two ropes. One rope is being ulled horizontally. The second rope is tied to the ceiling (see figure) and is at a 45° with respect to ne ceiling.The bowling ball is stationary. T, T, M Please use the interactive area below to draw the Free Body Diagram for the bowling ball. 1 Add Force O Reset All Ftotal,x: Ftotal,y:

University Physics Volume 1

18th Edition

ISBN:9781938168277

Author:William Moebs, Samuel J. Ling, Jeff Sanny

Publisher:William Moebs, Samuel J. Ling, Jeff Sanny

Chapter5: Newton's Law Of Motion

Section: Chapter Questions

Problem 95CP: On June 25, 1983, shot-putter Udo Beyer of East Germany threw the 7.26-kg shot 22.22 m, which at...

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On June 25, 1983, shot-putter Udo Beyer of East Germany threw the 7.26-kg shot 22.22 m, which at that time was a world record. (a) If the shot was released at a height of 2.20 m with a projection angle of 45.00, what was its initial velocity? (b) If while in Beyer’s hand the shot was accelerated uniformly over a distance of 1.20 m, what was the net force on it?
Two teams of nine members each engage in tug-of-war. Each of the first team’s members has an average mass of 68 kg and exerts an average force of 1350 N horizontally. Each of the second team’s members has an average mass of 73 kg and exerts an average force of 1365 N horizontally. (a) What is magnitude of the acceleration of the two teams, and which team sins? (b) What is the tension in the section of rope between the teams?
(a) Find an equation to determine the magnitude of the net force required to stop a car of mass m, given that the initial speed of the car is v0 and the stopping distance is x . (b) Find the magnitude of the net force if the mass of the car is 1050 kg, the initial speed is 40.0 km/h, and the stopping distance is 25.0 m.
(a) If the rocket sled shown in Figure 4.32 starts with only one rocket burning, what is the magnitude of its acceleration? Assume that the mass of the system is 2100 kg, the thrust T is 2.4104 N, and the force of friction opposing the motion is known to be 650 N. (b) Why is the acceleration not one-fourth of what it is with all rockets burning?
FIGURE P5.49 Problems 49 and 50. Suppose the system of blocks in Problem 49 is initially held motionless and, when released, begins to accelerate. a. If m1 = 7.00 kg, m2 = 2.00 kg, and the magnitude of the acceleration of the blocks is 0.134 m /s2, find the magnitude of the kinetic frictional force between the second block and the ledge. b. What is the value of the coefficient of kinetic friction between the block and the ledge?
A horizontal force Fa = 100 N pushes two blocks up a frictionless 30?? incline,as shown. The masses are m1 = 10.0 kg and m2 = 4.00 kg..a) What is the acceleration of the blocks?b) What is the magnitude of the contact force between m1 and m2 ?
A block with mass m1 hangs from a rope that is extended over an ideal pulley and attached to a second block with mass m2 that sits on a ledge slanted at an angle of 20° (see figure below). Suppose the system of blocks is initially held motionless and, when released, begins to accelerate. If m1 = 7.25 kg, m2 = 2.25 kg, and the magnitude of the acceleration of the blocks is 0.150 m/s2, find the magnitude of the kinetic frictional force between the second block and the ledge. What is the value of the coefficient of kinetic friction between the block and the ledge?
Starting from a standstill, Abi (mass = 55.00 kg) performs a vertical jump. b.) During the jump, a vertical ground reaction force of 660.00 N is exerted on her body. Assuming the ground reaction force and her weight are the only forces acting on her body in the vertical direction, what is the sum of the vertical forces acting on Abi during this jump?
an A clarinetist, setting out for a performance, grabs his 3.390 kg clarinet case (including the clarinet) from the top of the piano and carries it through the air. At one moment, the clarinetist is applying an upward force of 41.57N Use g=9.810(m)/(s^(2)) for the acceleration due to gravity. At this moment, find the vertical component of the case's acceleration a_(y) find a_(y)=________(m)/(s^(2))
A block with mass m1 hangs from a rope that is extended over an ideal pulley and attached to a second block with mass m2 that sits on a ledge slanted at an angle of 20° (see figure below). Suppose the system of blocks is initially held motionless and, when released, begins to accelerate. (a) If m1 = 6.75 kg, m2 = 3.00 kg, and the magnitude of the acceleration of the blocks is 0.170 m/s2, find the magnitude of the kinetic frictional force between the second block and the ledge. _________ N(b) What is the value of the coefficient of kinetic friction between the block and the ledge? __________ Please show work! Thanks.
Consider the figure below, where M 2 = 4.0 kg is stacked on top of M 1 = 12.0 kg, which is accelerating along ahorizontal, icy, frictionless surface at a = 5.0 m/s 2 . (a) What’s the minimum static coefficient of friction between the blocks that will prevent M 2 from sliding off? Draw a free-body diagram for each block (b) What’s the force acting on the bottom block given the condition in (a)?(c) If the coefficient of kinetic friction is half the amount you solved in (a) find the acceleration of block M 2 , where the acceleration of the bottom block remains the same.(d) What’s the force acting on the bottom block given the condition in (c)?
A block with mass m1 hangs from a rope that is extended over an ideal pulley and attached to a second block with mass m2 that sits on a ledge slanted at an angle of 20. Suppose the system of blocks is initially held motionless and, when released, begins to accelerate. (a) If m1 = 5.00 kg, m2 = 3.75 kg, and the magnitude of the acceleration of the blocks is 0.140 m/s2, find the magnitude of the kinetic frictional force between the second block and the ledge. ?N. (b) What is the value of the coefficient of kinetic friction between the block and the ledge?