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Two airplanes taxi as they approach the terminal. Plane 1 taxies with a speed of 13m/s due north. Plane 2 taxies with a speed of 8.5m/s in a direction 20 north of west.
What is the direction of the velocity of plane 2 relative to plane 1?
What is the magnitude of the velocity of plane 1 relative to plane 2?
What is the direction of the velocity of plane 1 relative to plane 2?
What are the magnitudes of the velocity of plane 2 relative to plane 1?
Estimate the thickness of lead shielding needed to reduce the exposure rate 2.5 m from a 5.92x10^11 Bq point source of Cs-137 to 1.0 mR/hr.
a jetliner is moving at a speed of 270 km/h. the plan then decelerates at 4.5 m/s2. what is the minimum runway length on which this aircraft can land
A cart is driven by a large propeller or fan, which can accelerate or decelerate the cart. Find the acceleration of the cart
in a serios accident,a nuclear power plant's reactor vessel cracks,and all of the cooling water drains out.although nuclear fission stops, how long will the melting take
The drawing shows a collision between two pucks on an air-hockeytable. Puck A has a mass of 0.0190 kg and is moving along the xaxis with a velocity of +4.63 m/s. It makes a collision with puckB, which has a mass of 0.0380 kg and is initially at re..
how many days would be required to move one of the charges.
The angular speed of a rotating disk is 0.75 rad/s. What is the frequency of the rotation
A neutron with mass of approximately 1.00 u and speed of 100 m/s strikes the nucleus of a lead atom head-on. how fast will each particle move after the impact
A 5.10 g lead bullet traveling at 530 m/s is stopped with a large tree. If half the kinetic energy of the bullet is transformed into internal energy and remains by the bullet while the other half is transmitted to the tree, what is the increase in te..
A 56 kg student runs at 5.0 m/s, grabs a hanging rope, and swings out over a lake, What is the maximum tension in the rope?
suppose you construct a barometer filled with an oil d1.25gcm3 in the vertical tube. if the atmosphere has a pressure
Driving along a crowded freeway, you notice that it takes a timet to go from one mile marker to the next. What was your original speed
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