Homework Answers
Test 1 Version A Page 3 ot7 Problems (20 Points each) Show your work for full...
Test 1 Version A Page 3 ot7 Problems (20 Points each) Show your work for full credit 1. A projectile is fired at of vo 20 m/s as shown in the following figure. Find an angle of e 60° above the horizontal level ground with an initial velocity a) the maximum height, H, it will attain b) th e maximum horizontal distance (Range, R) it covered from the release point to the point where it touches the ground. c) horizontal...
Help me to solve three questions Question 4, 5,6 y a person who rises at constant...
Help me to solve three questions Question 4, 5,6
y a person who rises at constant to the first floor (a) by using the g a rope. Does the amount of on the method conclude about liil Tun velocity? 12. Give an example in which the work done by the force of kinetic friction is (a) negative, and (b) positive. 9. (1) wor off along a frictionless horizontal s at 37 above the horizontal. force on the block? man initial...
Problem 3 A 6-kg block is moving on a horizontal frictionless floor with a speed of...
Problem 3 A 6-kg block is moving on a horizontal frictionless floor with a speed of 4 m/s when a constant horizontal force F is applied to the block. The speed of the block increases to 10 m/s within a distance of 5 m. Find (a) initial and final kinetic energy, and (b) the applied force F Problem 4 A0.50 kg block sliding on a horizontal frictionless surface with a speed of 2.5 m/s strikes a light spring that has...
1a,b,c Energy Practice PHY-203 Page 1 of 4 Name: 1. An initially stationary block of mass...
1a,b,c
Energy Practice PHY-203 Page 1 of 4 Name: 1. An initially stationary block of mass 0.25 kg is launched horizontally by a spring of spring constant 600 N/m which is initially compressed 10 cm from its equilibrium position. The block travels along a rough, horizontal surface to the base of a frictionless incline angled 30° above the horizontal. The block rises l m vertically up the incline before momentarily coming to a rest. (a) How much work was done...
1a,b,c Energy Practice PHY-203 Page 1 of 4 Name: 1. An initially stationary block of mass...
1a,b,c
Energy Practice PHY-203 Page 1 of 4 Name: 1. An initially stationary block of mass 0.25 kg is launched horizontally by a spring of spring constant 600 N/m which is initially compressed 10 cm from its equilibrium position. The block travels along a rough, horizontal surface to the base of a frictionless incline angled 30° above the horizontal. The block rises l m vertically up the incline before momentarily coming to a rest. (a) How much work was done...
MY NOTES A dock worker pushes a m 2.20 kg block a distance de 6,20 m...
MY NOTES A dock worker pushes a m 2.20 kg block a distance de 6,20 m along the floor by a constant force of magnitude F-16.0 N directed at an angle - 23.0 below the horizontal as shown in the figure Assume the floor is frictionless. (Enter your answers in joules.) (a) Determine the work done on the block by the applied force (the force on the block exerted by the dock worker) (b) Determine the work done on the...
1- How much work is done by the horizontal force Fp = 150N on the 18-kg...
1- How much work is done by the horizontal force Fp = 150N on the 18-kg block when the force pushes the block 5.0 m up along the 32° frictionless incline? (b) How much work is done by the gravitational force on the block during this displacement? (c) How much work is done by the normal force? (d) What is the speed of the block (assume that it is zero initially) after this displacement? [Hint: Work-energy involves net work done.]...
Page 20 Version A 3. AG Test 2 Questions 1-4: (10 Points Each) (Answer of the...
Page 20 Version A 3. AG Test 2 Questions 1-4: (10 Points Each) (Answer of the following with showing your work to get full credit. Without supportive work and only choosing the answer will get zero credit Force (N) 0 1 2 3 4 5 6 7 8 9 10 Displacement (m) From the above figure, calculate the work done during the interval of time 5 to 10 seconds ? Explain your answer clearly for full credit. 2. If the...
est 1 Version A Page 5 of 12 6. An object of mass 0.115 kg moves...
est 1 Version A Page 5 of 12 6. An object of mass 0.115 kg moves along a straight line initially from est with an applied force. The final velocity measured after sometime is 25m/s. Calculate the followings a. the initial kinetic energy of the object b. the final kinetic energy of the object c. the work done ( use work -kinetic energy theorem principle)
A horizontal force of magnitude 32.1 N pushes a block of mass 3.91 kg across a...
A horizontal force of magnitude 32.1 N pushes a block of mass 3.91 kg across a floor where the coefficient of kinetic friction is 0.579. (a) How much work is done by that applied force on the block-floor system when the block slides through a displacement of 2.99 m across the floor? (b) During that displacement, the thermal energy of the block increases by 33.6 J. What is the increase in thermal energy of the floor? (c) What is the...
Test 1 Version A Page 3 ot7 Problems (20 Points each) Show your work for full credit 1. A projectile is fired at of vo 20 m/s as shown in the following figure. Find an angle of e 60° above the horizontal level ground with an initial velocity a) the maximum height, H, it will attain b) th e maximum horizontal distance (Range, R) it covered from the release point to the point where it touches the ground. c) horizontal...
Help me to solve three questions Question 4, 5,6
y a person who rises at constant to the first floor (a) by using the g a rope. Does the amount of on the method conclude about liil Tun velocity? 12. Give an example in which the work done by the force of kinetic friction is (a) negative, and (b) positive. 9. (1) wor off along a frictionless horizontal s at 37 above the horizontal. force on the block? man initial...
Problem 3 A 6-kg block is moving on a horizontal frictionless floor with a speed of 4 m/s when a constant horizontal force F is applied to the block. The speed of the block increases to 10 m/s within a distance of 5 m. Find (a) initial and final kinetic energy, and (b) the applied force F Problem 4 A0.50 kg block sliding on a horizontal frictionless surface with a speed of 2.5 m/s strikes a light spring that has...
1a,b,c
Energy Practice PHY-203 Page 1 of 4 Name: 1. An initially stationary block of mass 0.25 kg is launched horizontally by a spring of spring constant 600 N/m which is initially compressed 10 cm from its equilibrium position. The block travels along a rough, horizontal surface to the base of a frictionless incline angled 30° above the horizontal. The block rises l m vertically up the incline before momentarily coming to a rest. (a) How much work was done...
1a,b,c
Energy Practice PHY-203 Page 1 of 4 Name: 1. An initially stationary block of mass 0.25 kg is launched horizontally by a spring of spring constant 600 N/m which is initially compressed 10 cm from its equilibrium position. The block travels along a rough, horizontal surface to the base of a frictionless incline angled 30° above the horizontal. The block rises l m vertically up the incline before momentarily coming to a rest. (a) How much work was done...
MY NOTES A dock worker pushes a m 2.20 kg block a distance de 6,20 m along the floor by a constant force of magnitude F-16.0 N directed at an angle - 23.0 below the horizontal as shown in the figure Assume the floor is frictionless. (Enter your answers in joules.) (a) Determine the work done on the block by the applied force (the force on the block exerted by the dock worker) (b) Determine the work done on the...
Page 20 Version A 3. AG Test 2 Questions 1-4: (10 Points Each) (Answer of the following with showing your work to get full credit. Without supportive work and only choosing the answer will get zero credit Force (N) 0 1 2 3 4 5 6 7 8 9 10 Displacement (m) From the above figure, calculate the work done during the interval of time 5 to 10 seconds ? Explain your answer clearly for full credit. 2. If the...
est 1 Version A Page 5 of 12 6. An object of mass 0.115 kg moves along a straight line initially from est with an applied force. The final velocity measured after sometime is 25m/s. Calculate the followings a. the initial kinetic energy of the object b. the final kinetic energy of the object c. the work done ( use work -kinetic energy theorem principle)
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