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You throw a ball horizontally off a roof. Assuming the ball behaves as an ideal projectile, the time until it lands is determined only by
A. It's initial speed and the horizontal distance to the point where it lands
B. The height of the roof and it's initial speed
C. The height of the roof.
The fastest pitched baseball was clocked at 46 m/s. If the pitcher exerted his force (assumed to be horizontal and constant) over a distance of 1m, and a baseball has a mass of 145 g.
A spherical steel shell with shell thickness 10 mm rolling down the ramp without slipping.assume that the density of aluminum.
A skier moving at 4.50 m/s encounters a long, rough horizontal patch of snow having coefficient of kinetic friction 0.230 with her skis. How far does she travel on this patch before stopping.
Assuming all the energy is retained by the hammer head, evaluate how much will its temperature increase? (Chead=0.11 kcal/kg degrees C) 1/2 m v^2 = mc Deltatemp solve for deltaTemp.
What is the charge on negative electrode. Find out the wavelength.
Three point charges are located on the x-axis. The first charge, q1= 10uC, is at x= -1.00m; the second charge, q2 = 20.0 uC,, Find the force that each charge is subjected
A point charge, q1 = +2C, is placed at the origin (0m,0m), a second point charge, q2 = -3C, is located at (2m, 0m), and a third point charge, q3 = -4C, is located at (0m, 3m)
Six artificial satellites complete one circular orbit around a space station in the same amount of time. Each satellite has mass and radius of orbit. The satellites fire rockets that provide force needed to keep a circular orbit around the space stat..
The student realizes that the spring demonstrates SHM with the attached mass of 255.0 g. The student is next asked to calculate the period of oscillation, T
A highway curve of radius 500 m is designed for traffic moving at a speed of 73 km/hr. What is the correct banking angle of the road.
The lines in a grating are uniformly spaced at 1520nm. Analyse the angular separation of the second order bright fringes between light of wavelength 603nm and 615.4 nm. Reply in units of mrad.
Two identical positive charges exert a repulsive force of 6.4* 10^-9 N when separated by a distance of 3.8*10^-10 m. find the charge of each.
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