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a stone is projected at a cliff of height h with an initial speed of 44.0 m/s directed at an angle ?0 = 51.0° above the horizontal. The stone strikes at A, 5.64 s after launching. Find
(a) the height h of the cliff,
(b) the speed of the stone just before impact at A, and
(c) the maximum height H reached above the ground.
A 2.0 m pendulum is released from rest when the support string is at an angle of 25 degrees with the vertical. What is the speed of the pendulum bob at the bottom of the string
A golf ball is hit off a tee at the edge of a cliff. Its x and y coordinates as functions of time are given by x = 19.9t and y = 4.08t ? 4.53t2, obtain the expression for the acceleration vector as a function of time
What is the mass of nitrogen in an nitrogen tank at 20C if the tank has a volume of 0,20m^3 and nitrogen pressure in the tank is 4,0 x 10^6 N/m^2
What would happen to the gravitational force between Earth and the Sun. A reconnaissance plane flies 600 km away from its base at 240 km/h, then flies back to its base at 320km/h.
question1a piece of wire with mass per unit length 78 runs horizontally at right angles to a horizontal magnetic field.
Find out the tension in the strap, given that the suitcase moves with constant speed and that the coefficient of kinetic friction between the suitcase and the floor is 0.40.
A coin slides over a frictionless plane and across an xy coordinate system from the origin to a point with xy coordinates (1.4 m, 5.7 m) while a constant force acts on it. How much work is done by the force on the coin during the displacement
The inner surface is negative relative to the outer surface. Explain how much work is required to eject a positive sodium ion (Na+) from the interior of the cell?
How much thermal power is radiated by a light bulb when its filament is heated to 2000°C? Assume that the filament is a blackbody of area 1.0 cm2
a double slit is illuminated with 656.3 nm light the screen is located 80 cm from the slits, calculate the fraction of the maximum intensity 0.6 cm from the central maximum
A conducting rod whose length is ? = 1.60 m is placed on frictionless U-shaped metal rails that is connected to a lightbulb having a resistance of 4.00, At what rate is energy dissipated in the lightbulb
you notice that the image flips when you are 0.500 m from the mirror. Determine the radius of curvature for the mirror
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