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A ball of mass M and radius R starts at rest at a height of 2.00 m and rolls down a 30 degree slope.What is the linear speed of the ball when it leaves the incline. The moment of inertia of a solidsphere is I =2/5MR^2.
A person pushes a 16.2-kg shopping cart at a constant velocity for a distance of 27.5 m on a flat horizontal surface. She pushes in a direction 32.3 ° below the horizontal. A 35.3-N frictional force opposes the motion of the cart. (a) What is the mag..
Three capacitors having capacitances of 8.1 uF , 9.0 uF , and 4.7 uF are connected in series across a 37-V. potential difference. What is the total energy stored in all three capacitors
Find the magnetic force on a proton moving with velocity 4.64 Mm/s in the positive x direction in a magnetic field of 2.00 T in the positive z direction
Briefly describe how the resulting interference pattern will differ for the various types of particles - the shower of particles will scatter in all directions with equal probability. Is it possible to determine in advance the trajectory of any in..
A double slit is opposite the center of a 1.7-m wide screen 2.3 m from the slits. The slit separation is 24 µm and the width of each slit is 7.2 µm. How many fringes are visible on the screen if the slit is illuminated by 590-nm light?
a battery has an emf and an internal resistance r. when the battery is connected to a 25omega resistor the current
A certain string can withstand a maximum tension of 30 Newton without breaking. A kid ties a 250 gram stone to one end of the string. find the speed of the stone when the string breaks
A wire carrying 425 A to the motor of a commuter train feels an attractive force of 3.8 x 10-3 N/m due to a parallel wire carrying 5.4 A to a headlight. How far apart are the wires in meters
A 53 kilogram driver sits in her car waiting for the traffic light to change. Evaluate the average force exerted on the driver
A 12.0V dc battery having no appreciable internal resistance, a 146.5? resistor, an 10.6mH inductor, and an open switch are all connected in series. After the switch is closed, what is the maximum energy stored in the inductor
A 0.500 kg hammer is moving horizontally at 6.50 m/s when it strikes a nail and comes to rest after driving it 1.00 cm into a board. Calculate the duration of the impact
The National Aeronautics and Space Administration (NASA) studies the physiological effects of large accelerations on astronauts. At what speed must the chamber move so that an astronaut is subjected to 2.48 times the acceleration due to gravity
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