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Question: A ball is thrown is thrown directly downward with an initial speed of 8.00 m/s from a height of 30.0 m.
Question 1: After what time interval does it strike the ground?
Please show all intermediate steps and formulas used for above question.
Two very small spheres are initially neutral and separated by a distance of 0.55 m. find Is the force attractive or repulsive
Choose the origin to be at the location where the bullet begins to move. Then the force (in newtons) exerted by the expanding gas on the bullet is 14100 + 9700x - 25750x2, where x is in meters.
Light of wavelength 580 nm passes through a slit of width 0.210 mm. How far is the screen from the slit
The question reads: A spaceship is approaching a space station at aspeed of 1.8 x 105 m/s. What is the change in frequency
A man who is 1.2 meter tall throws a ball with a speed of 5.1 m/s at an angle of 27o above the horizontal. Determine the x and y components of the velocity
A projectile is shot from the surface of Earth by means of a verypowerful cannon. find the speed of the projectile when it left the cannon
A force F produces an acceleration a on an object of mass m=2 kg. a force 4F IS exerted on a second object and an acceleration of 8a results. ( this means that if four times the original force is exerted , a new object accelerates by an amount equal ..
Energy is released during a nuclear reaction due to aconversion between mass and energy. how much energy is released
The drive train of a bicycle includes wheels 67.3 cm indiameter and pedal cranks 17.5 cm long. Calculate the angular speed of the bicycle wheels
A small object of mass 2 kilogram is rotating along a circle of radius 6 meter. Determine its angular momentum when the speed is 8 m/s
Animals in cold climates often depend on two layers of insulation: a layer of body fat [of thermal conductivity 0.200W/(m dot K) ] surrounded by a layer of air trapped inside fur or down. We can model a black bear (Ursus americanus) as a sphere 1...
A net force of 1.6 x 10-15 Newton acts on an electron over a displacement of 5.0 centimeter, in the same direction as the net force. Find the change in kinetic energy of the electron
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