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Find the mechanical energy of a block- spring system having a spring constant of 1.3 N/cm and an oscillation amplitude of 2.4 cm.
Heather and Jerry are standing on a bridge 56 above a river. Heather throws a rock straight down with a speed of 15. Jerry, at accurately the same instant of time, throws a rock straight up with the equal speed. Overlook air resistance.
A baseball outfielder throws a 0.150 kg baseball at a speed of 35.0 m/s and an initial angle of 26.0°. Illustrate what is the kinetic energy of the baseball at the highest point of its trajectory?
Coherent light with wavelength 603 passes through two very narrow slits, and the interference pattern is observed on a screen a distance of 3.00 from the slits.
A person can survive a feet-first impact at the speed of about 12 m/s (27 mi/h) on concrete; 15 m/s (34 mi/h) on soil; and 34 m/s (76 mi/h) on water. Why are there different values for different surfaces.
a 27.2 g arrow is fired with a velocity of 87.3 m/s from a bow with a mass of 2.45 kg. Find the impulse on the arrow
A uniform plank of length 4.3m and weight 236N rest horizontally on two supports, with 1.1m of the plank hanging over the right support. To what distance x can person who weighs 450N walk on the overhanging part of the plank before it just begins ..
Two small metallic spheres, each of mass m = 0.198 g, are suspended as pendulums by light strings of length L as shown in the figure below. The spheres are given the same electric charge of 7.4 nC, and they come to equilibrium when each string is ..
A large population of aloha users manage to create 50 request/sec,including both originals and retransmissions.time is slotted in units 40msec.
What is the specific heat capacity of other substance.
A 33.6 m length of copper wire at 23?C has aradius of 0.19 mm . The resistivity of copperis 1.7 × 10?8 ? m, determine the current in the wire
A circular coil with N turns and radius = 0.05 m is rotating in a uniform magnetic field of 0.5 T. At t = 0 s, How many turns does the coil have
A 5.00*10^-4 C charged mass (1.00g) is thrown upwards at a speed of 20.0 m/s and it is observed that it has gone up a distance of 15m it is moving at only 10.0 m/s, what is the electric potential at 15 m up
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