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1. A light car of mass 2kg hits a heavy car of mass 100kg at rest...
A car going 25 m/s hits a stationary truck. Which of the statements are true? The...
A car going 25 m/s hits a stationary truck. Which of the statements are true? The magnitude of the force on the car is equal to the magnitude of the force on the truck The magnitude of the force on the car is greater than the magnitude of the force on the truck The magnitude of the force on the car is less than the magnitude of the force on the truck The car experiences an acceleration The truck experiences...
Jane pushes a box loaded with penguins, which is initially at rest, across the floor with...
Jane pushes a box loaded with penguins, which is initially at rest, across the floor with a constant force of 500 N. A frictional force of 150 N acts on the box. The total mass of the box and penguins is 100kg. What is the acceleration of the box? 1.5 m/s2 5 m/s2 3.5 m/s^2 0.3 m/s2 0.2 m/s2 Jane pushes a box loaded with penguins, which is initially at rest, across the floor with a constant force of 500...
Your car and the trailer it is towing are initially at rest. You apply an acceleration of 1.70 m
Your car and the trailer it is towing are initially at rest. You apply an acceleration of 1.70 m/s2 to get the vehicles moving. The mass of your car is 1250 kg and the mass of the trailer is 540 kg. (For the following, enter the magnitudes.) (a) Determine the net force (in N) acting on the car. N (b) How much force (in N) does the trailer experience? N (c) Determine the force (in N) the trailer exerts on the car. N
1. A woman has a mass of 63.0kg . A. What is her weight on earth?...
1. A woman has a mass of 63.0kg . A. What is her weight on earth? B. What is her mass on the moon, where g=1.62m/s2? C. What is her weight on the moon, where g=1.62m/s2? 2. A. How much force does an 72kg astronaut exert on his chair while sitting at rest on the launch pad? B. How much force does the astronaut exert on his chair while accelerating straight up at 14m/s2 ? 3. A. A 4000 kg...
A truck on a flat road accelerates from rest at a constant rate and covers a...
A truck on a flat road accelerates from rest at a constant rate and covers a distance of 100 m in 7 s. The mass of the truck is 800 kg. What is the acceleration of the truck? m/s2 Tries 0/3 What is the net force on the truck? N Tries 0/3 The truck is now loaded with heavy equipment and has a NEW total mass of 1200 kg. If the same net force is applied to the car as calculated above,...
1) ) A car is travelling at 37. m/ s. The driver hits their brakes and...
1) ) A car is travelling at 37. m/ s. The driver hits their brakes and decelerates at 4.5 m/ s^2. How much distance does the car need to stop? 2) Suppose a child pulls a wagon horizontally. The child exerts a force of 51. N and there is frictional force of 18 N acting on the wagon, which opposes the motion. The mass of the wagon is 17.6 kg. (a) Draw a free body diagram for the wagon. (b)...
5. Three particles each of mass 2kg, originally at rest, are located at the positions shown. a) Locate the center of mass of the three-particle system. If forces F -(2i-j)N, F -(+5j)N and F3-(-i-2...
5. Three particles each of mass 2kg, originally at rest, are located at the positions shown. a) Locate the center of mass of the three-particle system. If forces F -(2i-j)N, F -(+5j)N and F3-(-i-2j)N acts on mi, m2 and m, respectively. Find the acceleration (magnitude and direction) of the center of mass. (2pts.) b) cろ C1,2)
5. Three particles each of mass 2kg, originally at rest, are located at the positions shown. a) Locate the center of mass of the...
A 1300-kg car, initially at rest, is initially accelerated at 4.9m/s2. After the car moves 550m,...
A 1300-kg car, initially at rest, is initially accelerated at 4.9m/s2. After the car moves 550m, the engine is cut off. The car then moves a distance of 1230 before coming to a stop. Assume the road to be level and that g = 10 N/kg. a) What is in m/s, the magnitude of the velocity of the car at the end of the first 550m? b) What is in m/s2, the magnitude of the acceleration of the car while...
A truck on a flat road accelerates from rest at a constant rate and covers a...
A truck on a flat road accelerates from rest at a constant rate and covers a distance of 100 m in 6 s. The mass of the truck is 900 kg. What is the acceleration of the truck? What is the net force on the truck? The truck is now loaded with heavy equipment and has a NEW total mass of 1300 kg. If the same net force is applied to the car as calculated above, then what would be...
18-During a hard stop, a car and its passengers slow down with an acceleration of 8.0...
18-During a hard stop, a car and its passengers slow down with an acceleration of 8.0 m/s2 What magnitude force does a 50-kg passenger exert on the seat belt in such a stop?
A car going 25 m/s hits a stationary truck. Which of the statements are true? The magnitude of the force on the car is equal to the magnitude of the force on the truck The magnitude of the force on the car is greater than the magnitude of the force on the truck The magnitude of the force on the car is less than the magnitude of the force on the truck The car experiences an acceleration The truck experiences...
Jane pushes a box loaded with penguins, which is initially at rest, across the floor with a constant force of 500 N. A frictional force of 150 N acts on the box. The total mass of the box and penguins is 100kg. What is the acceleration of the box? 1.5 m/s2 5 m/s2 3.5 m/s^2 0.3 m/s2 0.2 m/s2 Jane pushes a box loaded with penguins, which is initially at rest, across the floor with a constant force of 500...
5. Three particles each of mass 2kg, originally at rest, are located at the positions shown. a) Locate the center of mass of the three-particle system. If forces F -(2i-j)N, F -(+5j)N and F3-(-i-2j)N acts on mi, m2 and m, respectively. Find the acceleration (magnitude and direction) of the center of mass. (2pts.) b) cろ C1,2)
5. Three particles each of mass 2kg, originally at rest, are located at the positions shown. a) Locate the center of mass of the...
18-During a hard stop, a car and its passengers slow down with an acceleration of 8.0 m/s2 What magnitude force does a 50-kg passenger exert on the seat belt in such a stop?
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