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A plane flies at an airspeed of 255 km/h. A wind is blowing at 75 km/h toward the direction 60° east of north.
(a) In what direction should the plane head in order to fly due north relative to the ground?
(b) What is the speed of the plane relative to the ground?
A 15 g rifle bullet traveling 250 m/s buries itself in a 3.0 kg pendulum hanging on a 2.9 m long string, which makes the pendulum swing upward in an arc. Clarify the horizontal component of the pendulum's displacement.
A small, 300 cart is moving at 1.90 on an air track when it collides with a larger, 1.00 cart at rest. After the collision, the small cart recoils at 0.890. Evaluate the speed of the large cart after the collision?
A 120-V rms voltage at 1000 Hz is applied to a series LRC circuit with an equal value of inductive and capacitive reactance and a 200-? resistance. What is the impedance of this circuit
He was supposed to travel due north for 5.6km, but he actuallytraveled 7.8km at 50 degrees north due east. (a) how far and (b) elucidate in what direction must he now travel to reach base camp?
a 6 l rigid constant volume container holds 0.36 moles of helium at an initial temperature of 56 oc. the container has
in lab test on a 9.25cm cube of a certain material a force of 1375 n at 8.50 degree to the cube is in the bottom of the
A 55.0 kg crate rests on a level floor at a shipping dock. What horizontal pushing force is required to just start the crate moving
A 10.0 g bullet is fired into a stationary block of wood (m = 4.95 kg). The bullet imbeds into the block. What was the original speed of the bullet
A laser peripheral iridotomy is a procedure for treating an eye condition known as narrow-angle glaucoma, in which pressure buildup in the eye can lead to loss of vision. How many photons does the laser deliver
an electronically charged particle accelerates uniformly from rest to speed v while traveling a distance x show that
Cloverleaf exits are approximately circular. A 552 kg automobile is traveling 70 mph while taking a cloverleaf exit that has a radius of 39.3 m. calculate the centripetal force on the car
how fast the air flow over the upper surface of the wing. What is the coefficient of kinetic friction between the box and the floor.
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