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youre 60 m from one wall of a house you want to toss a ball to your friend who is 60 m from the opposite wall the throw
you pull a 70 kg block up a 400 incline so that the tension of the rope is parallel to the incline the block starts
an electron q-e completes half of a circular orbit of radius r around a nucleus with q3ea how much work is done on the
an object of mass 541 kg is released from rest and drops 205 m to the floor the collision is completely inelastic how
a what impulse must be imparted to a golf ball of mass 0043 kg to give it a velocity of 664 msb if the golf club is in
in a game of pool a cue ball with an initial velocity of 125 ms directed to the right along the x-axis collides with
1 you throw a ball from the top of a 50 m high building at 12 ms upward the ball misses the building on the way down
a man goes fishing for dinner he walks 4 km due west from his house and tries to catch a fish after 6 hours and no fish
consider a simple model for the interior of the earth there is a spherical iron core with constant mass density 0 and
at an outdoor market a bunch of bananas is set into oscillatory motion with an amplitude of 2693 cm on a spring with a
the magnetic dipole moment of earth has a magnitude 81022 jt assume that this is produced by charges flowing in earths
nbspthe track lies in a vertical uniform magnetic field of maa metal wire of mass m241 mg can slide with negligible
a solenoid 60 cm long has 5000 turns of wire with a 100 cm radius a single coil of 050 cm is placed inside the solenoid
a simple pendulum of length l and mass m is attached to a massless spring with elastic constant k the attachment point
three 3 uc charges are at the three corners of a square of side 050 m the last corner is occupied by a -30 uc charge
suppose that the swimmer in the figure below has a swimming speed relative to the water of 044 ms while the speed of
a vertical straight wire carrying an upward 26 a current exerts an attractive force per unit length of 9010-4 nm on a
a bowling ball encounters a 076 m vertical rise on the way back to the ball rack as the drawing illustrates ignore
consider two points charges held fixed at locations along the x-axis charge q1 500mc is located at x1 100m charge q2
consider a square window of side l100m that lies in the plane of the blackboard at the front of the classroom let the
a laser used in a rock concert emits a red light with a wavelength of 721 nm calculate the frequency of the
a series rcl circuit contains a 544-microf capacitor and a generator whose voltage is 116 v at a resonant frequency of
a person in a cave emits a sound and receives an echo 25 seconds later how far is that person away from the
two stars in a binary system orbit around their center of mass the centers of the two stars are 790 1011 m apart the
a black wood stove with surface area 46 m2 is made from cast iron 40 mm thick the interior wall of the stove is at 650