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A projectile is launched at 45.0 degrees with the horizontal. Its initial speed is 250. m/s.
(a) What is its speed and direction when it reaches the maximum height?
(b) How far from the initial position on the ground will the projectile land?
(c) what is the speed and direction of the object when it lands?
A stockroom worker pushes a box with mass 60.0kg on a horizontal floor with a constant speed of 2.50m/s. How far does the box slide after the worker stops pushing
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A wheel is rotating freely at angular speed 270 rev/min on a shaft whose rotational inertia is negligible. What fraction of the original rotational kinetic energy is lost
A jet airplane is in level flight. The mass of the airplane is m = 8990 kg. What is the magnitude of the lift force acting on the plane
A couple is traveling by car 40 km/h down a straight highway. They see an accident in the distance, so the driver applies the brakes, What is the direction of the acceleration vector
You wind up and throw a 10 kg medicine ball horizontally with a speed of 1.3 m/s directly at your 24-kg little brother. find the common speed of the ball-brother composite
A generator is connected to a resistor and a 0.032-H inductor in series. Determine the resistance of the resistor in this circuit
A 72 kg skier is going down a slope oriented 37° above the horizontal. Determine the pressure that each ski exerts on the snow
Two lens system: The original object is 20 cm to the left of a lens with a focal length of +10 cm, Find the location and magnification of the final image. Be sure to show or tell me from where you are measuring this final location
A charge of170µC is at the center of a cube of edge40.0cm. No other charges are nearby. Find the total flux through each face of the cube
A cart slides down a frictionless inclined track to a circular loop of radius R = 6 m. How high h above the top of the loop must the cart be released
A 93.0 kg bungee jumper jumps off a bridge and undergoes simple harmonic motion. If the period of oscillation is 11.2 s, what is the spring constant of the bungee cord
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