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A man can clearly see an object that is 2.00 m away(or more) without using his eyeglasses. If the eyeglasses have a refractive power of +1.50 Diopters, how close can an object be to the eyeglasses and still be clearly seen by the man? Assume the eyeglasses are 2.0 cm from the eye.
A golf ball of mass 0.045 kg is hit off the tee at a speed of 49 m/s. The golf club was in contact with the ball for 4.7 x 10-3 s. Find the magnitude of the impulse imparted to the golf ball
four charges, q1=1.5 nC, q2=4nC, q3=20nC and q4=-1nC are placed so that q4=(0,0) q1 is north of q4 and .5m away q2 is east of q4 and 1.0m away q3 is SW of q4 at angle of 36.9 degrees
a neutron star and a black hole are 2.400e12 m from each other at a certain point in their orbit. the neutron star has
An astronomical telescope has an angular magnification of -144, What is the focal length of the eyepiece
If two tiny identical spheres attract each other with a force of 4.00nN when they are 28.0cm apart, what is the mass of each sphere
A car (m = 1610 kg) is parked on a road that rises 17° above the horizontal. What are the magnitudes of (a) the normal force and (b) the static frictional force that the ground exerts on the tires?
A series RLC circuit is driven by a generator at a frequency of 2280 Hz and an emf amplitude of 189 V. The inductance is 61.1 mH, the capacitance is 0.426 ?F, and the resistance is 219 ?. (a) What is the phase constant in radians? (b) What is the cur..
q1. a ship sets out to sail to a point 128 km due north. an unexpected storm blows the ship to a point 148 km due east
A small airplane flies with a speed relative to the ground (ground speed) of 219.0 km/h in a direction 20.0 degrees to the east of north. what is the speed of the wind
An object of mass m1 = 4.90 kg is connected by a light cord to an object of mass m2 = 3.00 kg on a frictionless surface. Find the acceleration of the two masses
A member of the volleyball team spikes the ball. During this process, she changes the velocity of the ball from 3.5 m/s, determine the mass of the volleyball
q1. one end of a cord is fixed and a small 0.500kg object is attached to the other end where it swings in a section of
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