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A 0.40 kilogram ball is thrown with a speed of 9.0 m/s at an upward angle of 33 degree.
a) Determine what is its speed at its highest point?
b) Determine how high does it go? (Use conservation of energy.)
X rays with a wavelength of 0.14 nm undergo first-order diffraction from a crystal at a 70^\circ angle of incidence. What is the angle of second-order diffraction
A 2.0kg solid cylinder (radius = 0.10m , length = 0.70m ) is released from rest at the top of a ramp and allowed to roll without slipping. When the cylinder reaches the bottom of the ramp, what is its total kinetic energy
After landing, a jetliner on a straight runway taxis to a stop at an average velocity of (-30.0 km/h). what are the plane's initial velocity and acceleration
Body A weighs 104 N, and body B weighs 30 N. The coefficients of friction between A and the incline are ?s = 0.56, Find the acceleration of A if A is initially at rest
The ball leaves his racket with a speed of 16.0 m/s at an angle 5.5 degrees above the horizontal. The horizontal distance to the net is 7.0 m and the net is 1.0 m high. Explain by how much did the ball clear the net?
a 2.55 kg steel ball strikes a wall with a speed of 10.0 ms at an angle of 60.0deg with the surface. it bounces off
After landing on an unfamiliar planet, a space explorer constructs a simple pendulum of length 47.0cm . The explorer finds that the pendulum completes 110 full swing cycles in a time of 145s A. What is the magnitude of the gravitational acceleration ..
One can not align the apparatus to eliminate entirely the effects of the Earth's magnetic field. calculate the component of the earth magnetic field perpendicular to the entering electron beam
The upper end of a 3.20m--long steel wire is fastened to the ceiling, and a 58.0kg- object is suspended from the lower end of the wire, What is the mass of the wire
question1a traffic light weighing 1.20 x 102 n hangs from a vertical cable tied to two other cables that are fastened
A 20-kg object sitting at rest is struck elastically in a head-on collision with a 10-kg object initially moving at +3.0 m/s. Find the final velocity of the 20-kg object after the collision?
You are visiting NASA and are watching a test rocket launch. You estimate that at launch the angle of elevation of the rocket is 60 degress, calculate The altitude of the rocket when the engine cut out
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