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he shot leaves the hand at a height of 2.110 m and at an angle of 33.60°, and it lands at a horizontal distance of 14.00 m. What is the magnitude of the athlete's average force on the shot durin
A fighter plane flying at constant speed 480 m/s and constant altitude 8200 m makes a turn of curvature radius 10000 m. On the ground, the plane's pilot weighs (80 kg) (9.8 m/s2) = 784 N. What is h
If you weigh 670 on the earth, what would be your weight on the surface of a neutron star that has the same mass as our sun and a diameter of 19.0 ?
A sack of flour of mass 5.00-rm kg is lifted vertically at a constant speed of 3.50 m/s through a height of 15.0 m.How great a force is required? How much work is done on the sack by the lifting requi
Tarzan plans to corss a gorge by swinging in an arc form a hanging vine. If his arms are capable of exerting a force of 1400 N on the rope, what is the maximum speed he can tolerate at the lowest p
The 7.0N frictional force is applied at a point 40cm from the chair's rotation axis, in the direction that causes the greatest angular acceleration. If that angular acceleration is 1.8rad/s^2, what
A truck travels 1350 m uphill along a road that makes a constant angle of 4.42 degrees with the horizontal. Find the magnitude of the truck's vertical component of displacement, answer in units of m
A falling stone takes 0.28 s to travel past a window 2.2 m tall as shown in the figure on the right. From what height above the top of the window did the stone fall?
What is the magnitude of the change in momentum of the ball while in contact with the bat if the ball leaves with a velocity of (a) 18 m/s, vertically downward, and (b) 18 m/s, horizontally back tow
A certain string just breaks when it is under 400 N of tension. A boy uses this string to whirl a 10-kg stone in a horizontal circle of radius 10 m. The boy continuously increases the speed of the s
A turntable accelerates from rest with a constant angular acceleration of 1.5 rad/s. A ladybug is standing near the edge of the spinning record. Which plot best represents the total linear accelerat
On the Apollo 14 mission to the moon, astronaut Alan Shepard hit a golf ball with a golf club improvised from a tool. The free-fall acceleration on the moon is 1/6 of its value on earth. Suppose he
A rocket is launched at an angle of 53.0° above the horizontal with an initial speed of 101 m/s. The rocket moves for 3.00 s along its initial line of motion with an acceleration of 32.0 m/s2.
One tire is inflated to a pressure of 40 and goes a distance of 18.0 ; the other is at 105 and goes a distance of 93.4. Assume that the net horizontal force is due to rolling friction only and take
An object with mass m1=%.00kg rests on a frictionless horizontal table and is connected to a table that passes over a pulley and is then fastened to a hanging object with mass m2=10.0kg. Find the ac
This situation is like that of a car on a curve that is banked at an angle of 22°. If she tries to make the turn without slowing down, what is the minimum distance from the sea wall that she can
A baseball (m = 151 g) approaches a bat horizontally at a speed of 43.1 m/s (96.4 mi/h) and is hit straight back at a speed of 51.7 m/s (116 mi/h). If the ball is in contact with the bat for a time
A uniform plank of length 4.3 m and weight 215 N rests horizontally on two supports, with 1.1 m of the plank hanging over the right support (see the drawing). To what distance x can a person who we
The total work done by the tension is zero for one out over the water. If the rope starts at an angle of 40.0 with revolution. The vertical, what is Bruces speed at the bottom of the swing?
Water flows over Victoria Falls, which is 128 m high, at a rate of 1.4 x 106 kg/s. If half the potential energy of this water were converted into electric energy, how much electric power would be p
A 47.6-cm diameter disk rotates with a constant angular acceleration of 2.4 rad/s2. It starts from rest at t = 0, and a line drawn from the center of the disk to a point P on the rim of the disk ma
A rifle with a barrel length of 60 fires a 10 bullet with a horizontal speed of 450 . The bullet strikes a block of wood and penetrates to a depth of 10 .
What work would you have to do to now move the negative charge back to infinity?
An object is being acted upon by three forces and moves with a constant velocity. One force is 60.0 N along the x-axis, the second is 75.0 N along a direction making a counterclockwise angle of 150.