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A snowboarder starts from rest and rides 39.47 m down a snow-covered slope that makes an angle of 33.19° with the horizontal, How far will she travel along the flat snow
Two 2.50cm×2.50cm plates that form a parallel-plate capacitor are charged to ± 0.708nC, What is the potential difference across the capacitor
A skydiver drops from a hot air balloon floating 5000 meters above the ground. What was the average vertical speed of the skydiver
Red light of wavelength 633nm from a helium-neon laser passes through a slit 0.360mm wide. What is the width of the first bright fringe on either side of the central one
A charged particle with a charge-to-mass ratio of |q|/m = 5.7 × 108 C/kg travels on a circular path that is perpendicular to a magnetic field whose magnitude is0.71 T
Suppose that an ion source in a mass spectrometer produces doubly ionized gold ions (Au2+), each with a mass of 3.27 × 10-25 kg. Determine the radius of the path
A proton is projected perpendicularly into a magnetic field that has a magnitude of 0.29 T. What is the magnitude of the field used for the electron
A particle that has an 8.3-?C charge moves with a velocity of magnitude 4 × 105 m/s along the +x axis. Find the magnitude and direction of the magnetic field
The force diagram shown describes the forces acting on the back while bending at the waist in static equilibrium the trunk makes a 60 degree angle with the vertical. hat is the torque equation about
Upton Chuck is riding the Giant Drop at Great America. If Upton free falls for 2.6 seconds, what will be his final velocity and how far will he fall
In a common lecture demonstration of wave pulses, If the tubing is given a transverse blow at one end, how long will it take the resulting pulse to reach the other end
A chair of weight 85.0N lies atop a horizontal floor; the floor is not frictionless. Using Newton's laws, calculate n, the magnitude of the normal force that the floor exerts on the chair
A person who is cycling with initial velocity of 12 m/s brakes hard locking wheels they slide to a stop their mass is 70kg and their bike is 5kg. how far do they travel before they stop
A transverse traveling wave on a cord is represented by D = 0.25 sin (6.8x + 28t) where D and x are in meters and t is in seconds. Determine maximum and minimum speeds of particles of the cord
A magnetic field has a magnitude of 0.0018 T, and an electric field has a magnitude of 3.4 × 103 N/C. Both fields point in the same direction. find the magnitude of the net force that acts on t
A hard steel ball is dropped from rest at postion y = 2h and bounces from a hard surface tilted at an angle phi from horizontal. On impact, Find the horizontal displacment of the ball
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