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A Ferris wheel with radius 38m is driven by a motor that exerts a force on the wheel 1m from the center. find the normal force at the bottom of the wheel's trajectory
A motorcycle and rider have a total mass of 252 kg the rider applies the brakes, What is the net force (in Newtons) on the motorcycle and rider combination
Phil is standing on a third floor balcony, 10m above the ground. Where does the ball hit the ground
Rahm was coasting on interstate highway I-35 from Wichita to Kansas City at 65 mph. How far from the accident does he come to a stop
a block of mass M hangs at rest. The rope that is fastened to the wall is horizontal and has a tension off 52 N. what is the angle theta
A ray of light is incident on the surface of a block of clear ice at an angle of 35.0 degrees with the normal. Find the angle between the reflected and refracted angle
Tritium with a half-life of 12.3 years is used to verify the age of expensive brandies. how many years ago was it produced
A thyroid cancer patioent is given a dosage of 131I, What faction of the dosage will still be in the patient's thyroid
Find the wavelength of red light in glass if the index of refraction of glass is 1.66. Recall that the wavelength of red light in a vacuum is 700 nm
An electron in a vaccuum is first accelerated by a voltage of 10,000 volts, find the force of the electron due to the magnetic field
A sled and rider with a combined weight of 67 kg are at rest on the top of a hill 26 m high. What is their total energy at the top of the hill
A 40-kg firl and an 8.4-kg sled are on the surface of a frozen lake, 15 m apart. By means of a rope the girl exerts a 5.2-N force on the sled, How far from the girl's intial position do they meet
A cylinderical wooden log rolls (without slipping) down a small ramp. The log has a radius of 15 cm, a length of 2.0 m, and a mass of 78 kg. What is the log's total kinetic energy at the bottom of th
A series RLC circuit is connected across a 10.0 kHz source. The 1.2 H inductor and 1000 ? resistor are fixed whereas the capacitor is variable. At what capacitance will the current in the resistor b
On a laboratory air table, a puck moving due north at 3.5 m/s collides with an iddentical puck moving at 2.0 m/s, 45 degrees S of W. What is the speed and direction of the second puck
A 3-kg sphere makes and inelastic collinsion with a second sphere initially at rest. What is the mass of the second sphere
A thin lens has a focal length of 10 cm. An object is located 15 cm to the left of the lens. What is the total magnification of the lens system
An object of mass m= 1.00 kg is moving initially with a speed of 2.0 m/s along positive x- direction, Determine the speed and direction of motion of second object
How kinetic energy is related to linear momentum and What is the difference between elastic and inelastic collisions
A 3.00 kg steel ball strikes a massive wall at 10.0 m/s at an angle of ? = 60.00 with the plane of the wall. what is the average force exerted by the wall on the ball
A thin film of oil (n = 1.29) is located on smooth, wet pavement. What is the minimum thickness of the oil film
An object is to the left of a thin lens. The lens forms an image on a screen that is 2.60 m to the right of the object. Is the image upright or inverted
A narrow beam of sodium yellow light with wavelength 589 nm in vacuum, Determine the wavelength of the light in water
Find the final velocity of the two balls if the ball with velocity v2i = ?21.4 cm/s has a mass equal to half that of the ball with initial velocity v1i = +25.8 cm/s
A sinusoidal voltage ?v = (60 V) sin (130t) is applied to a series RLC circuit with L = 90 mH, C = 175 ?F, and R = 34 ?. Whats the maximum current in the circuit