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A cannonball is fired from a canon at an angle of 45 degrees to the horizontal.The cannonball's initial velocity is 40 m/s.
How far will the cannonball go before it hits the ground?
What is the greatest height the cannonball will attain?
How long will the cannonball be in flight before it hits the ground?
Would the cannonball travel farther if the angle was increased to 50 degrees?
If the scattered photon has a wavelength of 0.320nm , what is the wavelength of the incident photon, Find the kinetic energy of the recoil electron
A bulldozer pushes a large rock, and the two move forward together. The bulldozer does 1500 J of work on the rock. How much work does the rock do on the bulldozer
The walls of a blackbody cavity are at a temperature of 27 degrees C. find the frequency of the radiation of maximum intensity
A capacitor with air between its plates is charged to 80 V and then disconnected from the battery. What is the dielectric constant of this glass
A 3.0 kg particle with velocity v = (5.0 m/s) - (6.0 m/s) is at x = 3.0 m, y = 8.0 m. It is pulled by a 7.0 N force in the negative x direction. What torque about the origin acts on the particle
Since the ends are open, the boundary conditions force the standing wave (representing the displacement of air molecules) that is produced in the bugle to have antinodes at the open ends of the bugle
On earth, two parts of a space probe weigh 13500 N and 3790 N. These parts are separated by a center-to-center distance of 14.4 m, Find the magnitude of the gravitational force
A small wooden block with mass 0.875kg is suspended from the lower end of a light cord that is 1.80m long. What was the initial speed v0 of the bullet
A barge is hauled along a straight-line section of canal by two horses harnessed to tow ropes and walking along the tow paths on either side of the canal. What is the net force on the barge
Calculate the resulting wave of a superposition of 600 MHz and 600.006 MHz (10 ppm of from 600 MHz carrier frequency
A compressive force of 2.7×104N is exerted on the end of a 24-cm-long bone of cross-sectional area 3.9cm2. By how much will the bone shorten
A curve in a highway has radius of curvature 120 m and is banked at 2.8°. what is the safest speed to go around the curve
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