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A 76 g, 40-{rm cm}-long rod hangs vertically on a frictionless, horizontal axle passing through its center. A 10 g ball of clay traveling horizontally at 2.7 m/s hits and sticks to the very bottom
A 1.00-kg beaker containing 1.50 kg of oil (density = 916 kg/m3) rests on a scale. A 1.70-kg block of iron is suspended from a spring scale and is completely submerged in the oil (see figure below)
The radius of Earth is about 6.38 103 km. A 7.38 103 N spacecraft travels away from Earth. What is the weight of the spacecraft at the following distances from Earth's surface?
A curve passes through the point(1,2) and has the property that the slope of the curve at every point P is five times the y-coordinate of P. What is the equation of the curve?
A walkway is supported by pairs of hollow carbon steel pipes, each having an outer diameter of 2.73 cm and walls that are 2.58 mm thick. Each pair of pipes supports a section of walkway weighing 30
A 6.0 kg body moving in the +x direction at 5.5 m/s collides head-on with a 3.2 kg body moving in the -x direction at 4.0 m/s. Find the final velocity of each mass for each of the following situati
What is the radius of the turn if theta = 20.0 (assuming the car continues in uniform circular motion around the turn)?
After a 0.380-kg rubber ball is dropped from a height of 1.95 m, it bounces off a concrete floor and rebounds to a height of 1.35 m. (a) Determine the magnitude and direction of the impulse delivere
Suppose a proton, moving to the left with a speed of 6242 meters/second, moves into a magnetic field of 793.0 Tesla which points into the page. What is the magnitude of the magnetic force the proto
A steel beam that is 7.00 m long weighs 330 N. It rests on two supports, 3.00 m apart, with equal amounts of the beam extending from each end. Suki, who weighs 505 N, stands on the beam in the cente
A force of 6.0 N is used to accelerate a mass of 1.0 kg from rest for a distance of 12m. The force is applied along the direction of travel. The coefficient of kinetic friction is 0.30. what is the
While on vacation you rent a moped and go cruising around a tropical island. If you take a 10.0° banked curve with a radius of 15.0 meters at 12.0 m/s, what is the minimum coefficient of static
Calculate the distance between the first and second dark bands in the interference pattern.
James, an American, will most likely consider himself an adult when he ________, whereas Nelson, an African, will most likely consider himself an adult when he _______.
The 1994 Winter Olympics included the aerials competition in skiing. In this event skiers speed down a ramp that slopes sharply upward at the end. The sharp upward slope launches them into the air,
(a) Determine the magnitude and direction of the resultant magnetic field at a point midway between the wires. (b) Find the magnitude and direction of the magnetic field at point P, located 20.0 cm
Mike and Scott are playing tug-of-war. After a five minute struggle Mike wins. Explain why Mike won, referencing the forces on Mike, on Scott, and on the rope. Use Newton's First and Second Laws of
An airplane pilot experiences weightlessness as she passes over the top of a loop-the-loop maneuver. If her speed is 200 m/s at the time, find the radius of the loop. Draw all the forces on the pil
Light from the sun is incident on the surface of a pond with a smooth surface. The light strikes the surface at an angle of 30 to the surface and is partially reflected. What is the angle of reflect
John Glenn weighed 640 N on earth's surface. How much would he have weighed if his mercury spacecraft had remained at twice the distance from the center of the earth? WHy is it said that an astrona
The potential energy of two atoms in a diatomic molecule is approximated by , where is the spacing between atoms and and are positive constants.Suppose the distance between the two atoms is equal t
Relative to a woman riding in the car and in unit-vector notation, what are the velocity at the (a) center, (b) top, and (c) bottom of the tire and the magnitude a of the acceleration at the (d) cen
A 80 g , 33 cm long rod hangs vertically on a frictionless, horizontal axle passing through its center. A 10 g ball of clay traveling horizontally at 2.5 m/s hits and sticks to the very bottom tip o
A glider of mass 1.00 kg is allowed to oscillate under the influence of a spring of spring constant 25.0 N/m while on a frictionless, horizontal air track. At t = 0 s the glider is released from re
A race car has a mass of 721 kg. It starts from rest and travels 44 m in 3.8 s. The car is uniformly accelerated during the entire time. What net force is applied to it?