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A ball is tossed from an upper-story window of a building. The ball is given an initial velocity of 8.90 m/s at an angle of 23.0° below the horizontal. It strikes the ground 5.00 s later.
(a) How far horizontally from the base of the building does the ball strike the ground?
_______________m
(b) Find the height from which the ball was thrown.
_________________m
(c) How long does it take the ball to reach a point 10.0 m below the level of launching?
___________________ s
Phobos is a moon of mars with a diameter of 22.5 km and a mass of 1.08 x 10^16 kg. It is located at a distance of 9,377 Km from Mars. what is the center of mass for the Mars-Phobos System
A hockey player is standing on his skates on a frozen pond when an opposing player, moving with a uniform speed of 4.0 m/s, How long does it take him to catch his opponent
A force vector has a magnitude of 569 newtons and points at an angle 41o of below the positive x axis. What is (a) x scalar component and (b) y scalar component of the vector.
An astronaut travels to an alternate universe that contains infinite charged plane and no other charged objects. The astronaut observes that the electric field in this universe has a magnitude of 1.20 N/C everywhere and points directly away from the ..
Refrigerant-134a enters a compressor at 180 kPa as a saturated vapour with a flow rate of 0.35 m3/min and leaves at 700 kPa. The power supplied to the refrigerant during compression process is 2.35 kW. What is the temperature R-134a at the exit of th..
A 1.5 V battery is rate at 1,800 milliamp hrs (mAh). How much electrical energy (in joules) is stored in the battery when it is new
Suppose in the double-slit arrangement, d = 0.150mm, L =120cm, %u03BB =833nm, What is the path difference %u03B4 for the rays from the two slits arriving at point P
1. A communications system uses QPSK instead of binary PSK. How much bandwidth is saved 2. A modem utilizes 8PSK modulation. If the modem's baud rate is 24 kbps, what is the information rate in kbps
A car of mass = 1300 travelling at 56.0 enters a banked turn covered with ice. The road is banked at an angle, and there is no friction between the road and car's tires. What is the radius of the turn if = 20.0 (assuming the car continues in uniform ..
A satellite is in elliptical orbit with a period of 8.82 x 104 s about a planet of mass 6.80 x 1024 kg. The pericenter distance is 15900000 m. What is its angular speed at apocenter
A pair of parallel conducting rails is separated by 55.0 cm. They are joined at one end by a circuit component containing a light bulb with resistance 144 ?. How much power is being consumed by the bulb
Suppose 1.0 mol of a monatomic ideal gas initially at 10 L and 337 K is heated at constant volume to 674 K, What is the net work done by the gas during the cycle
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