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A spring-loaded catapult has a spring with spring constant 500 N/m. When loaded, the spring is compressed a distance of .20m. If the catapult is used to shoot a 10 g pellet vertically upward into the air, how high will the pellet rise before falling back down? neglect air resistance.
There are two optical telescopes operating at the exact same frequency. The first telescope is a 10m telescope that is planned to be located at the L2 Lagrangain point 1.5 million kilometers past the orbit of the Earth. Which telescope will have ..
question1a swan on a lake gets airborne by flapping its wings and running on top of water. a if swan have to reach a
Veronique is nearsighted; she cannot see clearly anything more than 6.39 m away without her contacts. What is the greatest distance an object can be placed so that she can see it clearly with these glasses
A worker pushed a 22 kg block 8.1 m along a level floor at constant speed with a force directed 39° below the horizontal. find the increase in thermal energy of the block-floor system
A laser has a 200-W, 1.0 mm^2 cross-sectional area beam. find the amplitude of the electric and magnetic fields
A region of space contains a uniform electric field oriented along the y-axis. How is the plane of second frame oriented with respect to the plane of the first one
q1. a hollow aluminium cylinder is to be fitted over a steel piston. at 22degc the inside diameter of the cylinder is
A ball traveling in a circle with a constant speed of 3 m/s has a centripetal acceleration of 4 m/s2. What is the radius of the circle
On an airplane's takeoff, the combined action of the air around the engines and wings of an airplane exerts an 8020-N force on the plane, focussed upward at the angle of 55.0° above the horizontal. The plane rises with constant velocity in the vertic..
In a double-slit interference experiment, the wavelength is 477 nm, What is the linear distance between adjacent maxima on the screen
A wooden block with mass 0.33kg rests on a horizontal table, connected to a string that hangs vertically over a friction-less pulley on the table's edge, Find the block's acceleration if k =0.18.
A solid disk of mass m1 = 9.5 kg and radius R = 0.18 m is rotating with a constant angular velocity of ω = 39 rad/s. What average torque was exerted on the rod by the disk
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