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In a slow pitch softball game, a .200 kgsoftball crosses the plate at 15.0 m/s at an angle of 45 degreesbelow the horizontal. The batter hits the ball toward center field,giving it a velocity fo 40 m/s at 30.0 degrees above thehorizontal.
(a) Determine the impulse delivered to the ball.
(b) If theforce on the ball increases linearly foor 4.00 ms, holds constantfor 20 ms and then decreases to zero linearly in another 4 ms, what is the maximum force on the ball?
Two objects are moving along the x axis with velocities of 37 m/s (object 1) and -15 m/s (object 2). which object has the greater mass
A flashlight contains two batteries in series each having a potential difference of 1.5V and an internal resistance of 0.2 ohms, How much power does the bulb dissipate
An electric field exerts a force of 3.00 x 10 -4 N on a positive test charge of 7.50 x 10 -4 C. Find the magnitude of the field at the charge location
A 45.0 g ball of copper has a net charge of 1.75 µC. What fraction of the copper's electrons have been removed
Beams of high-speed protons can be produced in "guns" using electric fields to accelerate the protons. (a)What acceleration would a proton experience if the gun's electricfield were 2.18 x 104 N/C?
questioni require these 5 questions answered. i want diagrams and step-by-step detailed solutions please 2.1 compute
A hoop and a disk (both of mass 1.8 kg and radius of 0.2 m) roll without slipping up a straight incline with an initial velocity of 2.8 m/s. What is the maximum gain in height of the disk
At 500°C, the diffusion coefficient of Zn in brass is 4.10-17 m2.s-1. What is the flux of Zn moving down the rod.
A person weighs 784 N in air and has a body-fat percentage of 23.0 %. What is the overall density of this person's body
What is the escape speed for an electron initially at rest on the surface of a sphere with a radius of 1.5 cm and a uniformly distributed charge of 4.5 10-15 C? That is, what initial speed must the electron have in order to reach an infinite distance..
A soccer player extends her lower leg in a kicking motion by exerting a force with the muscle above the knee in the front of her leg. What is the force exerted by the muscle if its effective perpendicular lever arm is 2.10 cm
A coil of 57. turns of wire has a diameter of 9.5 cm and carries 7.2 Amperes. How many Gauss is that
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