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Q. A farm truck moves due north with a constant velocity of 11.00 m/s on a limitless horizontal stretch of road. A boy riding on the back of the truck throws a can of soda upward and catches the projectile at the same location on the truck bed, but 14.0 m farther down the road.
In the frame of reference of the truck, at what angle to the vertical does the boy throw the can?
Q. In the deep ocean, a water wave with wavelength 95 m travels at 12 m/s. Suppose a small boat is at the crest of this wave, 1.0 m above the equilibrium position.
-What will be the vertical position of the boat 4.0 s later?
A 2.8 kg block slides along a frictionless horizontal with a speed of 5.5 m/s. After sliding a distance of 8m, the block makes a smooth transition to a frictionless ramp inclined at an angle of 43 degrees to the horizontal. The acceleration of gravit..
How much work is completed by the Moon's gravitational field as a 915kg meteor comes in from outer space and impacts on the Moon's surface.
A hot ( ) lump of metal has a mass of 250g and a specific heat of 0.25 . John drops the metal into a 500g calorimeter containing 75g of water at . The calorimeter is constructed of a material that has a specific heat of 0.10 . When equilibrium is ..
An ice cube of mass ma and specific heat Ci is initially at temperature T1, where T1 is less than 273K. If L is the latent heat of fusion of water, and the specific heat of water is Cw, how much energy is needed to convert the ice cube to water at ..
Florence, who weighs 120 lbs, stands on a bathroom scale in an elevator. What would the scale read when the elevator is accelerating downward at 2m/s2.
On December 3 at 11 pm you look toward the eastern horizon and see the bright star Procyon rising. At approximately what time would Procyon rise one week later, on December 9.
A vertical spring (spring constant = 119 N/m) is mounted on the floor. A 0.390 kg block is placed on top of the spring and pushed down to start it oscillating in simple harmonic motion. The block is not attached to spring.
A particle has an acceleration of 6.39 for 0.28. At the end of this time the particle's velocity is 9.31 .What was the particle's initial velocity.
A 1200 N uniform boom is supported by a cable perpendicular to the boom, as in Figure P8.28. The boom is hinged at the bottom, and a 2000 N weight hangs from its top. Find out the tension in the supporting cable and the components of the reaction ..
How much higher would the ball have gone in a vacuum. The time constant of an RC circuit is 4.8 s. How much time t is needed for the capacitor (uncharged initially) to gain one-half of its full equilibrium charge.
what speed will the dart leave the gun.
A styrofoam box used to keep drinks cold at picnic has total wall area(including the lid) of 0.80m2 and wall thickness 2 cm. it is filled with ice, water and cans at 0 Celsius. What is the rate of heat flow into the box if temperature of the outsi..
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