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Two rubber bands pulling on an object cause it to accelerateat 1.2\;{\rm m}/{\rm s}^{2} .
What will be the object's acceleration if it is pulled by fourrubber bands?
What will be the acceleration of two of these objects glued together if they are pulled by two rubber bands?
A dog (mass 11.5 kg) sits on a sled (mass 5.1 kg) that is being pushed with a force of 29 N on a flat snowy surface. what is the coefficient of kinetic friction for the sled sliding on the snow
A diver springs upward from a board that is three meters above the water. Determine her initial velocity, both magnitude and direction
A 61 kg boy and a 42 kg girl use an elastic rope while engagedin a tug-a-war on a frictionless icy surface. If theacceleration of the girl toward the boy is 2.7 m/s2, determine the magnitude of the acceleration of the boy toward thegirl
the electronic meter of an electric bike indicates that you are riding at 9.1 rads. the wheel has a radius of 0.45 m.
A person's eyeball has a diameter D (measured from lens to retina). find Where is this person's near point and far point
A spool of thin wire (with inner radius r = 0.50 m, outer radius R = 0.65 m, and moment of inertia I_cm = 1.1323 kg*m2) pivots on a shaft.
q1. a 2.5g copper penny is given a charge of -0.50 mc.how many excess electrons make up this charge?what is the
Suppose you have a spring-loaded projectile launcher. Aim it straight upwards, compress the spring 1 cm, then launch a projectile from rest. that it rises 20 cm above the end of the spring. If you repeat this experiment, but instead compress the s..
A house has a floor area of 113m2 and an outside wall that has an area of 33 m2. Calculate the magnetic flux that passes through the floor
A 2.27-kg block (M1) and a 5.87-kg block (M2) are connected by a massless string. Applied forces, F1 = 10.1 N and F2 = 4.83 N, act on the blocks, What is the net force acting on M1
a 70.0-kg person stands on a scale in an elevator. what is the apparent weight in each of the following situations?a
A positive charge +q1 is located to the left of a negative charge -q2. On aline passint through the two charges, theer are two places where the total potential is zero. The first place is between the charges and is 4cm to the left of the negativ..
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