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anbsp0045-kgnbspgolf ball hangs by a string from the rearview mirror of a car the car accelerates in the forward
in a house the temperature at the surface of a window is 223 degc the temperature outside at the window surface is 274
arrange in order of increasing energy nfra rednbspvisible light radio waves microwaves x-rays gamma waves
state newtons 3 laws of motion 1 an object at rest or moving at a constant velocity in the absence of forces will
why is the earth widest at the equator and narrower near the poles earth spinning on its axis outward centrifugal force
a longitudinal standing wave in a glass tube is shown in the diagram one end of the tube is closed and the other end is
two stationary positive point charges charge 1 of magnitude 315nbspncnbspand charge 2 of magnitude 195nbspncnbsp are
in an electrically heated home the temperature of the ground in contact with a concrete basement wall isnbsp136nbspoc
what happens to the resistor as the current is left running for a long period of time what will the results of the
explain why the cross sectional area is important when determining the materials resistivity also explain why the
a jet airplane is in level flight the mass of the airplane is m 8870 kg the plane travels at a constant speed around a
anbsp0054-kgnbsppet lab mouse sits on anbsp035-kgnbspair-track cartnbspthe cart is at rest as is a second cart with a
a 050-kg croquet ball is initially at rest on the grass when the ball is struck by a mallet the average force exerted
a peacock mantis shrimp smashes its prey with a hammer-like appendage by storing energy in a springlike section of
a roller-coaster car has a mass 500 kg the car is released from rest at a height 450 m above the ground and the car
a whale swims due east for a distance of 80 km in a time of 250 h it then turns around and moves west for 20 km in a
a string is capable of 45 n of force before it breaks this string is used to twirl a 083 kg toy in a 097 m radius
a 1kg box is given a quick push from rest up a ramp angled at 30deg to the horizontal using a spring mechanism of
at what speed should an archerfish spit the water to shoot down an insect floating on the water surface located at a
two different blocks of masses 5kg 10kg and 15kg are connected together the surface on which the blocks slide is
what is the difference of spin recovery procedures of two different aircraft what makes the recoveries different for
a railroad car with a mass ofnbsp15 400nbspkgnbspcollides and couples with a second car of massnbsp18 500nbspkgnbspthat
anbsp4200-kg truck traveling with a velocity ofnbsp20nbspms due north collides head-on with anbsp1600-kgnbspcar
the electric flux through the face a cube with sides of length 90 mm is measured to be 86x10-4nbspnm2cnbspassuming a
a charged spherical insulator of radius 96 cm has a total charge of 24 nc distributed throughout its volume if the