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A car travels due east with a speed of 35.0 km/h. Raindrops are falling at a constant speed vertically with respect to the Earth. The traces of the rain on the side windows of the car make an angle of 60.0° with the vertical. Find the velocity of the rain with respect to the following reference frames.
(a) the car
______________m/s
(b) the Earth
____________m/s
An air parcel moves northwards and becomes entrained in a strong westerly flow, circling the entire globe in the space of a few weeks. State the name given to this high-level flow and define briefly how its structure is related to lateral and vert..
A uniform steel beam has a mass of 2070 kg. On it is resting half of an identical beam, What are the vertical support forces
a small ball is thrown with a speed of 15 m/s downward from the top of a 50 meter tall building. determine the ball's velocity at the midpoint of its motion
Normal blood presure in a human artery is 13.6 kPA; the blood flows with a speed of 0.12 m/s. What is the blood pressure in the clogged part of the artery
Discuss at least three physical properties of water that impact life on Earth.
A narrow beam of light containing red (660 nm) and blue (470 nm) wavelengths travels from air through a 1.60 cm thick flat piece of crown glass and back to air again. The beam strikes the glass at a 35.0° incident angle.
A skier is gliding along at 3.0 m/s on horizontal, frictionless snow. He suddenly starts down a 13 degree incline. His speed at the bottom is 13 m/s. What is the length of the incline
A 15 kg child sits on the edge of at 2 m radius, 200 kg merry go round. A father as been getting a little carried away, What is the final angular velocity of the merry go round
If you lie on the ground at night with no cover, you get cold rather quickly. Much of this is due to energy loss by radiation. At night in a dry climate, Estimate the net rate at which your body loses energy by radiation to the night sky under thes..
A circuit contains six 205 ohm lamps with 60 W bulbs and a 9 ohm heater connected in parallel. voltage across the circuit is 120 V.what is the current in the circuit when four lamps are turned on.
A bug of mass 2.6 g is sitting at the edge of a CD of radius 6.0 cm. what is the angular momentum of the bug
While running, a person dissipates about 0.60 J of mechanical energy per step per kilogram of body mass, how fast is the person running
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