Homework Answers
Use Newton’s law of motion to find the equations of motion for
the two masses and solve to find the acceleration. Use the value of
acceleration in equation of kinematics to find the required final
speed as shown below.
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4 0/1 points Previous Answers SerPSE10 8.4.OP.013. My Notes Ask Your Teacher 0.365. The system starts...
6. -M10 points SerPSE10 8.3.OP.008. My Notes Ask Your Teacher A block of mass m =...
6. -M10 points SerPSE10 8.3.OP.008. My Notes Ask Your Teacher A block of mass m = 2.00 kg is attached to a spring of force constant k = 495 N/m as shown in the figure below. The block is pulled to a position x; = 5.80 cm to the right of equilibrium and released from rest. WWWWWWWE (a) Find the speed the block has as it passes through equilibrium if the horizontal surface is frictionless. m/s (b) Find the speed...
9. 2/4 points Previous Answers SerPSE10 8.4.OP.014.MI. A5.20-kg block is set into motion up an inclined...
9. 2/4 points Previous Answers SerPSE10 8.4.OP.014.MI. A5.20-kg block is set into motion up an inclined plane with an initial speed of ,7.40 m an angle of 8 - 30.0° to the horizontal My Notes Ask Your Teacher (se figure below). The block comes to rest after traveling d - 3.00 m along the plane, which is incined at (a) For this motion, determine the change in the block's kinetic energy -139.7763 (D) For this motion, determine the change in...
2. 1/5 points | Previous Answers SerPSE10 5.8.OP.035.MI. A 3.80-kg block starts from rest at the...
2. 1/5 points | Previous Answers SerPSE10 5.8.OP.035.MI. A 3.80-kg block starts from rest at the top of a 30.0° incline and slides a distance of 2.30 m down the incline in 2.00 s My Notes Ask Your Teacher (a) Find the magnitude of the acceleration of the block 1.15 m/s (b) Find the coefficient of kinetic friction between block and plane. (c) Find the friction force acting on the block magnitude directionSelect (d) Find the speed of the block...
0/3 points Previous Answers SerPSE10 15.3.0P.013. GMy Notes +Ask Your Teacher A steel ball attached to...
0/3 points Previous Answers SerPSE10 15.3.0P.013. GMy Notes +Ask Your Teacher A steel ball attached to a spring moves in simple harmonic motion. The amplitude of the ball's motion is 10.0 cm, and the spring constant is 5.50 N/m. When the ball is halfway between its equilbrium position and its maximum displacement from equilibrium, its speed is 23.7 cm/s (a) What is mass of the ball (in kg)? Enter a number al energy of the spring-mass system in terms of...
2-3 2. 0/6.66 points Previous Answers SerPSE10 9.1.P.003. My Notes Ask Your Teacher A baseball approaches...
2-3
2. 0/6.66 points Previous Answers SerPSE10 9.1.P.003. My Notes Ask Your Teacher A baseball approaches home plate at a speed of 49.0 m/s, moving horizontally just before being hit by a bat. The batter hits a pop-up such that after hitting the bat, the baseball is moving at 58.0 m/s straight up. The ball has a mass of 145 g and is in contact with the bat for 2.40 ms. What is the average vector force the ball exerts...
My Notes Ask Your Teache 2. -13 points SerPSE10 8.2.P.003. and slides on the frictionless track...
My Notes Ask Your Teache 2. -13 points SerPSE10 8.2.P.003. and slides on the frictionless track shown in the figure A block of mass m 6.70 kg is released from rest from point below. (Leth, = 7.40 m.) S. 20 m 2.00 m (a) Determine the block's speed at points and ©. m/s (b) Determine the network done by the gravitational force on the block as it moves from point to point 0. Need Help? Read Watch It 3. -12...
0.140. The system starts from rest. What is the speed of the ball of mass of...
0.140. The system starts from rest. What is the speed of the ball of mass of mass m, 3.00 kg and the surface in the four below is The coefficient of friction between the block of mass m, -3.00 kg and the surface in the higure below mg = 5.00 kg when it has fallen a distance - 1.85 m? m/s
7-8 7. -76.66 points SerPSE109.4.OP 012.MI. My Notes Ask Your Teacher A neutron in a nuclear...
7-8
7. -76.66 points SerPSE109.4.OP 012.MI. My Notes Ask Your Teacher A neutron in a nuclear reactor makes an elastic, head-on collision with the nucleus of a carbon atom initially at rest. (a) What fraction of the neutron's kinetic energy is transferred to the carbon nucleus? (The mass of the carbon nucleus is about 12.0 times the mass of the neutron.) (b) The initial kinetic energy of the neutron is 2.30 10-13). Find its final kinetic energy and the kinetic...
?? Notes Ask Your Tea - 0-2 points SerPSE10 8.3 OP 00 A carton is given...
?? Notes Ask Your Tea - 0-2 points SerPSE10 8.3 OP 00 A carton is given a push across a horizontal surface. The carton has a mass m, the push gives it an initial speed of 3.70 m/s, and the coefficient of kinetic friction between the carton and the surface is 0.135. (a) Use energy considerations to find the distance (in m) the carton moves before it stops. (b) What in Determine the stopping distance (in m) for the carton...
1. The coefficient of friction between the block of mass mı = 3.00 kg and the...
1. The coefficient of friction between the block of mass mı = 3.00 kg and the surface in the figure below is up = 0.455. The system starts from rest. What is the speed of the ball of mass m, = 5.00 kg when it has fallen a distance h = 1.80 m?
6. -M10 points SerPSE10 8.3.OP.008. My Notes Ask Your Teacher A block of mass m = 2.00 kg is attached to a spring of force constant k = 495 N/m as shown in the figure below. The block is pulled to a position x; = 5.80 cm to the right of equilibrium and released from rest. WWWWWWWE (a) Find the speed the block has as it passes through equilibrium if the horizontal surface is frictionless. m/s (b) Find the speed...
9. 2/4 points Previous Answers SerPSE10 8.4.OP.014.MI. A5.20-kg block is set into motion up an inclined plane with an initial speed of ,7.40 m an angle of 8 - 30.0° to the horizontal My Notes Ask Your Teacher (se figure below). The block comes to rest after traveling d - 3.00 m along the plane, which is incined at (a) For this motion, determine the change in the block's kinetic energy -139.7763 (D) For this motion, determine the change in...
2. 1/5 points | Previous Answers SerPSE10 5.8.OP.035.MI. A 3.80-kg block starts from rest at the top of a 30.0° incline and slides a distance of 2.30 m down the incline in 2.00 s My Notes Ask Your Teacher (a) Find the magnitude of the acceleration of the block 1.15 m/s (b) Find the coefficient of kinetic friction between block and plane. (c) Find the friction force acting on the block magnitude directionSelect (d) Find the speed of the block...
0/3 points Previous Answers SerPSE10 15.3.0P.013. GMy Notes +Ask Your Teacher A steel ball attached to a spring moves in simple harmonic motion. The amplitude of the ball's motion is 10.0 cm, and the spring constant is 5.50 N/m. When the ball is halfway between its equilbrium position and its maximum displacement from equilibrium, its speed is 23.7 cm/s (a) What is mass of the ball (in kg)? Enter a number al energy of the spring-mass system in terms of...
2-3
2. 0/6.66 points Previous Answers SerPSE10 9.1.P.003. My Notes Ask Your Teacher A baseball approaches home plate at a speed of 49.0 m/s, moving horizontally just before being hit by a bat. The batter hits a pop-up such that after hitting the bat, the baseball is moving at 58.0 m/s straight up. The ball has a mass of 145 g and is in contact with the bat for 2.40 ms. What is the average vector force the ball exerts...
My Notes Ask Your Teache 2. -13 points SerPSE10 8.2.P.003. and slides on the frictionless track shown in the figure A block of mass m 6.70 kg is released from rest from point below. (Leth, = 7.40 m.) S. 20 m 2.00 m (a) Determine the block's speed at points and ©. m/s (b) Determine the network done by the gravitational force on the block as it moves from point to point 0. Need Help? Read Watch It 3. -12...
0.140. The system starts from rest. What is the speed of the ball of mass of mass m, 3.00 kg and the surface in the four below is The coefficient of friction between the block of mass m, -3.00 kg and the surface in the higure below mg = 5.00 kg when it has fallen a distance - 1.85 m? m/s
7-8
7. -76.66 points SerPSE109.4.OP 012.MI. My Notes Ask Your Teacher A neutron in a nuclear reactor makes an elastic, head-on collision with the nucleus of a carbon atom initially at rest. (a) What fraction of the neutron's kinetic energy is transferred to the carbon nucleus? (The mass of the carbon nucleus is about 12.0 times the mass of the neutron.) (b) The initial kinetic energy of the neutron is 2.30 10-13). Find its final kinetic energy and the kinetic...
?? Notes Ask Your Tea - 0-2 points SerPSE10 8.3 OP 00 A carton is given a push across a horizontal surface. The carton has a mass m, the push gives it an initial speed of 3.70 m/s, and the coefficient of kinetic friction between the carton and the surface is 0.135. (a) Use energy considerations to find the distance (in m) the carton moves before it stops. (b) What in Determine the stopping distance (in m) for the carton...
1. The coefficient of friction between the block of mass mı = 3.00 kg and the surface in the figure below is up = 0.455. The system starts from rest. What is the speed of the ball of mass m, = 5.00 kg when it has fallen a distance h = 1.80 m?
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