A woman of mass 50 kg jumps off the bow of a 60 kg canoe that...
A woman of mass 50 kg jumps off the bow of a 60 kg canoe that is intially at rest. If her velocity is 4.5 m/s to the right, what is the velocity of the canoe after she jumps? Answer in units of m/sˆı.
Homework Answers
A girl of mass 54.0 kg jumps off the bow of a 88.0-kg canoe that is...
A girl of mass 54.0 kg jumps off the bow of a 88.0-kg canoe that is initially at rest. If her velocity is 2.70 m/s to the right, what is the speed of the canoe after she jumps
A woman of 60 kg mass jumps with stiff legs from a table of 1 m...
A woman of 60 kg mass jumps with stiff legs from a table of 1 m height onto a hard floor tile. During the collision, a deceleration to a state of rest occurs in a time interval of 0.005 s. Calculate: (a) the average force exerted on each foot by the ground; (b) the distance traveled by the body during the collision.
A boy of mass 61.3 kg is about to disembark from a canoe of mass 41.7...
A boy of mass 61.3 kg is about to disembark from a canoe of mass 41.7 kg. The canoe is initially at rest, with the bow just touching the dock (see figure). The center of the canoe is 3.0 m behind the bow. As the boy moves forward 6.0 m to the bow, the canoe moves away from the dock. How far is the boy from the dock when he reaches the bow?
A high diver of mass 63.0 kg Jumps off a board 10.0 m above the water....
A high diver of mass 63.0 kg Jumps off a board 10.0 m above the water. If her downward motion is stopped 1.80 s after she enters the water, what average upward force did the water exert on her?
The figure below shows a fisherman in a canoe on a lake. The fisherman's mass is...
The figure below shows a fisherman in a canoe on a lake. The fisherman's mass is 71 kg, and the canoe's is 122 kg. The fisherman and canoe are initially at rest when the fisherman throws a package of mass m = 15 kg horizontally to the right with a speed of vi = 4.6 m/s. What is the velocity of the canoe after the package is thrown? Neglect any resistance force from the water. (Give the magnitude in m/s,...
A student with mass 59 kg jumps off a high diving board. Using 6.0 times 10^24...
A student with mass 59 kg jumps off a high diving board. Using 6.0 times 10^24 kg for the mass of the earth, what is the acceleration of the earth toward her as she accelerates toward the earth with an acceleration of 9.8 m/s^2? Assume that the net force on the earth is the force of gravity she exerts on it. m/s^2
Part A A student with mass 59 kg jumps off a high diving board. Using 6.0x1024...
Part A A student with mass 59 kg jumps off a high diving board. Using 6.0x1024 kg for the mass of the earth, what is the acceleration of the earth toward her as she accelerates toward the earth with an acceleration of 9.8 m/s2 ? Assume that the net force on the earth is the force of gravity she exerts on it. Express your answer using two significant figures. al - m/s2 Submit Request Answer
A 160 lb woman jumps off an 80 lb stationary cart B. Immediately after take-off the...
A 160 lb woman jumps off an 80 lb stationary cart B. Immediately after take-off the velocity of the woman relative to the cart is 18 ft/s at 35 degrees from horizontal as shown. Using the impulse-momentum method, a) Determine the true velocity of the woman. (You can express your answer as a Cartesian vector or as a magnitude and direction.) b) Calculate the velocity of the cart. c) Calculate the impulse of the ground on the cart. (You can...
A person of mass 60 kg jumps from a height of 3 m. She lands on...
A person of mass 60 kg jumps from a height of 3 m. She lands on her feet but her knee joints each compress by 0.5 cm. What force did she put on her knees?
Starting from rest, a 68.0 kg woman jumps down to the floor from a height of...
Starting from rest, a 68.0 kg woman jumps down to the floor from a height of 0.790 m, and immediately jumps back up into the air. While she is in contact with the ground during the time interval 0 < t < 0.800 s, the force she exerts on the floor can be modeled using the function F = 9,200t − 11,500t2 where F is in newtons and t is in seconds. (a) What impulse (in N · s) did...
A high diver of mass 63.0 kg Jumps off a board 10.0 m above the water. If her downward motion is stopped 1.80 s after she enters the water, what average upward force did the water exert on her?
A student with mass 59 kg jumps off a high diving board. Using 6.0 times 10^24 kg for the mass of the earth, what is the acceleration of the earth toward her as she accelerates toward the earth with an acceleration of 9.8 m/s^2? Assume that the net force on the earth is the force of gravity she exerts on it. m/s^2
Part A A student with mass 59 kg jumps off a high diving board. Using 6.0x1024 kg for the mass of the earth, what is the acceleration of the earth toward her as she accelerates toward the earth with an acceleration of 9.8 m/s2 ? Assume that the net force on the earth is the force of gravity she exerts on it. Express your answer using two significant figures. al - m/s2 Submit Request Answer
A 160 lb woman jumps off an 80 lb stationary cart B. Immediately after take-off the velocity of the woman relative to the cart is 18 ft/s at 35 degrees from horizontal as shown. Using the impulse-momentum method, a) Determine the true velocity of the woman. (You can express your answer as a Cartesian vector or as a magnitude and direction.) b) Calculate the velocity of the cart. c) Calculate the impulse of the ground on the cart. (You can...
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