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A small remote controlled car with a mass of 1.6 kg moves at a constant speed of 12 m/s in a vertical circle inside a hollow cylinder that has a radius of 5 m. What is the magnitude of the normal fo
A cube of ice is taken from the freezer at -9.1°C and placed in a 97 g aluminum calorimeter filled with 294 g of water at room temperature of 20°C. The final situation is observed to be all
Determine the magnitude and direction of the wind velocity as measured on the boat in knots. What is the component of the wind velocity in the direction parallel to the motion of the boat in knots?
A motorcycle has a constant acceleration of 4.6 m/s2. Both the velocity and acceleration of the motorcycle point in the same direction. How much time is required for the motorcycle to change its sp
a fly ball leaves the bat at a velocity of 98 miles per hour and is caught by an outfielder 288 feet away. At what angle of elevation did the ball leave the bat?
A ray of light traveling in air strikes the mid- point of one face of an equiangular glass prism (n = 1.37) at an angle of exactly 30.0. Trace the path of the light ray through the glass and find t
A cowboy at a dude ranch fills a horse trough that is 1.6 m long, 69 cm wide, and 42 cm deep. He uses a 2.7 cm diameter hose from which water emerges at 2.3 m/s. How long does it take him to fill t
A particlemoves in the xy plane with constant acceleration. What is the magnitude of the displacement from the origin (x = 0 m, y = 0 m) after 1.5 s?
What is the initial resonance angular frequency W of the cicuit? What is the rms current through the circuit at resonance, rms I?
A parachutist descending at a speed of 20.0 m/s loses a shoe at an altitude of 60.0 m. (Assume the positive direction is upward.)
Two identical piano wires have a fundamental frequency of 600 Hz when kept under the same tension. What fractional increase in the tension of one wire will lead to the occurrence of 6.0 beats/s whe
A boulder has 300 J of potential energy sitting on the edge of a cliff. What is the boulder's kinetic energy as it hits the ground?
What net force would actually be necessary to stop an automobile of mass 890 traveling initially at a speed of 52.0 in a distance equal to the diameter of a dime, which is 1.8 ?
A 31 kg gun is standing on a frictionless surface. The gun fires a 54.2 g bullet with a muzzle velocity of 321 m/s. The positive direction is that of the bullet. Calculate the momentum of the gun i
The velocities of the decay product are along the direction of motion M. Find the velocities of the decay products in the laboratory reference frame. (Round your answer to three decimal places.)
A man weighing 680 and a woman weighing 430 have the same momentum. What is the ratio of the man's kinetic energy to that of the woman?
A beam of light is diffracted by a slit of width 0.600 mm. the diffraction pattern forms on a wall 2.00 m beyond the slit. the distance between the positions of zero intensity on both sides of the c
A worker stands still on a roof sloped at an angle of 21° above the horizontal. He is prevented from slipping by a static frictional force of 400 N. Find the mass of the worker.
A Toyota Prius driving north at 61.0 {rm mph} and a VW Passat driving south at 41.0. What is the velocity of Toyota Prius relative to the VW Passat when they are 250 apart, just before they meet?
A 20 kg loudspeaker is suspended 2.2 m below the ceiling by two 3.0-m-long cables that angle outward at equal angles. What is the tension in the cables?
If a 50 kg cannon ball is shot horizontally from a cannon at a speed of 80 m/s, what is its kinectic energy in joules?
A 1800 kg car rounds a curve of radius 70 m banked at an angle of 12°. If the car is traveling at 86 km/h, will a friction force be required?
A plane, diving with constant speed at an angle of 50.0° with the vertical, releases a projectile at an altitude of 830 m. How far did the projectile travel horizontally during its flight?
Which of the following is true about water droplets in clouds?
A baseball is seen to pass upward by a window 20 above the street with a vertical speed of 10 .If the ball was thrown from the street, what was its initial speed?