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In an English carnival game, you throw a ball at a coconut on a stand 4.0 m in front of you and 1.0 m above the point at which you release the ball. How long is the ball in the air in each case
In the movie The God's Must Be Crazy, a bottle is thrown from a cliff overlooking the Indian Ocean. How far from the bottom of the cliff does the base hit the water
a police officer in hot pursuit drives her car through a circular turn of radius 300m witha constant speed of 80.0km/h. what are the magnitude and the angle relative to vertical of the net force
three objects, with m1 = 10.2 kg and m2 = 23.5. They are connected by strings that pass over massless and frictionless pulleys. What is the acceleration of the three objects
The weight of the block on the table is 484 N and that of the hanging block is 165 N. Ignore all frictional effects, and assuming the pulley to be massless. Find the acceleration of the two blocks
Consider two masses (M=50 kg, m = 10 kg) connected by a string, Find the magnitude of frictional force acting on mass
A father pushes his child on a swing so that the child's speed is 9.00 m/s at the lowest point of his path. What force does the child exert on the seat if his mass is 18.0 kg
A sled is dragged along a horizontal path at a constant speed of 1.5 m/s by a rope that is inclined at an angle of 30.0° with respect to the horizontal, How much work is done by the rope on the
A cable is lifting a construction worker and a crate, as the drawing shows. What is the tension in the cable above the worker
A cylindrical conductor has resistance of R0 = 200 ? (ohms). what's the value of the new resistance in ohms
Calculate the force on the baby due to Jupiter if it is at its closest to the Earth, some 6.29x1011 m away, showing it to be comparable to that of the father
A 3.00-kg mass undergoes an acceleration given by a = (2i+5j ) m/s2. The magnitude of the net force is
two semicircular filament have a common diameter. one lies in the x-y plane and one in the x-z plane. the curved portion of each carries a uniform line charge density (rho). find the electric filed
Consider the decay: 24 Cr 55 -> 25 Mn55 + e, The Cr 55 nucleus has a mass of 54.9279 u, find the maximum kinetic energy of the emitted electrons
A small block has a horizontal velocity of 4.00 m/s as it slides off the edge of a table, how far does the block travel horizontally while it is in the air
A 75 W light bulb with a resistance of 179 ? is connected to a power supply with a 121 V. What is the internal resistance of the power supply
At t = 0, an automobile traveling north begins to make a turn. It follows one-quarter of the arc of a circle of radius 10.3 m until, at t = 1.30 s, Find the change in its velocity during the turn
The block in the figure is initially at rest on an inclined plane at the equilibrium position that it would have if there were no friction between the block and the plane
A block of mass m = 300 g is released from rest and slides down a frictionless track of height h = 70.6 cm. What is the value of the spring constant k
mass of the earth is 5.97x10^24 kg. the radius of its orbit around the sun is 1.50x10^11m. calculate the force between the earth and the sun
An ice cube slides from rest without friction down a long inclined ramp that makes an angle of 35.8 o with the horizontal. What is the speed of the cube
A car travels east at 77 km/h for 6.0 h. It then travels 40.0° east of north at 112 km/h for 6.0 h. What is the average velocity for the trip
a box of textbooks at an unknown mass is set in motion with the intial speed of 0.5 m/s on a loading ramp that makes and angle of 16 degrees with the horizontal. find the normal force on the box
a monkey pulls a box of bananas with mass 6.2 kg on a surface with a constant speed of 0.50 m/s. how much is the normal force on the box
A coin placed on a turntable rotating at 33.6 rev/min will stay there if its center is placed no further than 8.3 cm from the axis of rotation. compute coefficient of friction between the coin and tu