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Using the electric field described in the alpha cannon simulation, suppose that an alpha particle is fired upward from a height y = 0 m, with horizontal and vertical velocity components vx = 15.0 m/s and vy = 5.00 m/s.
(a) How much time passes before the particle returns back down to the height y = 0 m?
(b) What is the horizontal distance traveled by the particle before it returns to the height y = 0 m?
A coffee filter of mass 1.4 grams dropped from a height of 3 m reaches ground with a speed of 0.7 m/s. How much kinetic energy Kair did the air molecules gain from the falling coffee filter.
Assume a 64 kg boy and a 42 kg girl use a mass less rope in a tug-of-war on an icy, resistance-free surface. If the acceleration of the girl toward the boy is 3 m/s2, find out the magnitude of the acceleration of the boy toward girl.
Compute the average linear velocity of the discus
How various lines per centimeter does a grating have if the third-order occurs at a 23.0 degree angle for 630-nm light.
An electron is released from rest in a uniform electric field of magnitude 2.20 x 10^4 N/C. Calculate the acceleration of the electron
A highway curve with a radius of 555 m is banked properly for the car travelling 150 km/h. If a 1650 kg Porshe 928 S rounds the curve at 220 km/h, how much sideways force must the tires exert against the road if the car does not skid.
A 94 g piece of ice at 0.0°C is placed in an insulated calorimeter of negligible heat capacity containing 100 g of water at 100°C, What is the final temperature of the water once thermal equilibrium is established
A blackened, solid copper sphere that has a radius equal to 4.5 cm hangs in an evacuated enclosure whose walls have a temperature of 23°C. find the initial rate at which its temperature changes
A thin glass rod forms a semicircle of radius r = 3.03 cm. Charge is uniformly distributed along the rod, with +q = 1.05 pC in the upper half and -q = -1.05 pC in the lower half
An athlete on a trampoline leaps straight up into the air with an initial speed of 5.1 m/s, find the speed of the athlete when she is halfway up to her maximum height
A steel cable has a cross-sectional area 3.44 × 10-3 m2 and is kept under a tension of 3.33 × 104 N. At what speed does a transverse wave move along the cable
Calculating plants maximum possible thermal and actual efficiency.
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