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A grocery cart with a mass of 18 kilogram is pushed at fix speed along an aisle by a force F = 12 Newton. The applied force acts at a 20 degree angle to the horizontal. If the aisle is 16 meter long , then calculate:
Calculate the work done by the applied force on the cart? J
Calculate the work done by the frictional force on the cart?
J
Calculate the work done by the normal force on the cart?
Calculate the work done by the gravitational force on the cart?
the magnetic field near the surface of a neutron star has a magnitude of 1.00 108 t. find the acceleration of an
The position of a jumping cricket is described by the equation: x=10t-4.0t^2 What is the crickets instantaneous velocity at t=0.2 seconds
The heels on a pair of women's shoes have radii of0.50 cm at the bottom. find the stress on each heel
You are in the neighborhood of a star (radius of 700,000 kilometers) which has emitted so many protons ("solar wind") during its life, What power must the engines of the probe use in order to maintain the orbit
as an Acapulco cliff diver drops to the water from a height of 48 m, his gravitaional potential energy decreases by 27000J. What is the divers weight in newtons
The escape speed from a distant planet is 40 km/s. If theacceleration of gravity on the planet surface is 12.5m/s2, what is the radius of the planet
An automobile tire is inflated with air originally at 10.0°C and normal atmospheric pressure. What is the tire pressure in pascals
A 3.3-m-diameter merry-go-round with rotational inertia 100kg?m2 is spinning freely at 0.60rev/s. Determine the total energy lost to friction
A student sits at rest on a piano stool that can rotate without friction. The moment of inertia of the student-stool system is 4.0 kg m2. What is the resulting angular speed of the student and the stool
A standing wave is set up by reflecting radio waves from a large, flat metal dish. What is the frequency of the radio waves
A car travels at 35.0 m/s for 40.0 minutes and then travels at 55.0 m/s for 20.0 minutes. What is the average velocity of the car
suppose the motion in problem 3.7 is taking place in a viscous medium. in 16 seconds the amplitude reduces to half of
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