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A 50g ball is released from rest 1.0 above the bottom of the track shown. It rolls down a straight 30o segment, thenback up a parabolic segment whose shape is given byy=(1/4)x2 , where x and y are in m. How high will theball go on the right before reversing direction and rolling backdown?
A person travels by car from one city to another with different constant speeds between pairs of cities. She drives for 30.0 min at 90.0 km/h, 5.0 min at 90.0 km/h, Determine the average speed for the trip
A cube of ice is taken from the freezer at -7.7°C and placed in a99g aluminum calorimeter filled with297g of water at room temperature of 20°C. What was the mass of the ice cube
An 10m, 210N uniform ladder rests against a smooth wall. The coefficient of static friction between the ladder and the ground is 0.55, and the ladder makes a 50° angle with the ground. How far up the ladder can an 850N person climb before ladder b..
It's possible to estimate the percentage of fat in the body by measuring the resistance of the upper leg rather than the upper arm; What are the fractions of muscle and fat in the leg
A student hits the cork sharply with her fist and the bottom of the bottle breaks. The student's fist has a mass of m = 0.480kg and moves downward at a speed of vi = 5.00m/s. What is the force that the fist exerts on the top of the bottle
A 150g glider on a horizontal frictionless air track is attached to a fixed ideal spring with force constant 135N/m. What is the angular frequency of the oscillation
A parallel-plate air capacitor is to store charge of magnitude 290pC on each plate when the potential difference between the plates is 36.0V, If the area of each plate is 6.80 cm2, what is the separation between the plates
A non-isotropic two-dimensional solid has a coefficient of linear expansion alone one axis equation to A and along a perpendicular axis equation to B
q1. a spring with a spring constant of 2.0 times 102 nm is attached to a 1.7 kg mass and then set in motion. what is
A circular loop of wire with 10 turns, radius 12.5 cm and resistance 1.5 Ohms is connected to a 12 V power supply. The magnetic field at the center of this loop is _______.
What is the magnitude of the acceleration of a speck of clay on the edge of a potter's wheel turning at 51 rpm (revolutions per minute) if the wheel's diameter is 37 cm
ferromagnetism is caused by:
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