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A soccer ball is kicked with an initial horizontal velocity of 18.0 m/s and an initial vertical velocity of 20.0 m/s. How far from where it was kicked will the ball land? thanks
A railroad car of mass 2.52 104 kg is moving with a speed of 4.06 m/s. It collides and couples with three other coupled railroad cars, How much mechanical energy is lost in the collision
The initial height of the block is 0.5 m above the lowest part of the slide and the spring constant is 450 N/m. Illustrate what is the block's speed when it is at a height of 0.25 m above the base of the slide?
A ray of light is incident on glass-air interface at the critical angle of 41 deg., what is the refracted angle, What is the strength of a lens which forms an image 24 cm from the lens when the object is 40 cm away
illustrate what is the magnitude of the acceleration of the box and hanging mass.
A violinist places her finger so that the vibrating section of a 1.20 g/m string has a length of 40.0 cm, then she draws her bow across it. A listener nearby in a 20 ^circ {rm C} room hears a note with the wavelength of 30.0 cm. What is the tensio..
A block of mass m is attached to a string that is wrapped around the circumference of a wheel of radius R and moment of inertia I. Find the moment of inertia of the wheel if its radius is 8.0 cm
Block A in the figure weighs 1.60 N and block B weighs 3.10 N. The coefficient of kinetic friction between all surfaces is 0.300. Illustrate what is the friction force on block A?
The helicopter in the drawing is moving horizontally to the right at a constant velocity. The weight of the helicopter is W=59600 N. What is the magnitude of the lift force
An aluminum cup contains 225 g of water and a 40-g copper stirrer, all at 27°C. A 440-g sample of silver at an initial temperature of 85°C is placed in the water. Calculate the mass of the aluminum cup
A rocket is launched at an angle of 52° above the horizontal with an initial speed of 103 m/s. The rocket moves for 3s along its initial line of motion with an acceleration of 32 m/s2. At this time, its engines fail and the rocket proceeds to move..
A converging lens of focal length 7.550cm is 20.5cm to the left of a diverging lens of focal length -6.50cm, find the location of the coins final image
A basketball player makes a jump shot. The 0.650-kg ball is released at a height of 1.90 m above the floor with a speed of 7.17 m/s, What is the work done on the ball by air resistance, a nonconservative force
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