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A car is driving directly north on the freeway at a speed of 118 km/h and a truck is leaving the freeway driving 89 km/h in a direction that is 39° west of north. What is the velocity of the truck relative to the car?
If a cube of a certain metal increases its volume from 15 cm3 to 17 cm3 as the temperature increases from 12°C to 28°C
If the car is now at rest and the pendulum undergoes S.H.M. would its time be shorter of longer than that calculated in (b) explain your answer.
If I end up with a velocity of 1 m/s going west, am I heaver or lighter than you? What is your mass, and what is your final velocity?
A mad doctor believes that baldness can be cured by warming the scalp with sound waves. His patients sit underneath the Bald-o-Matic loudspeakers, how many minutes should each therapy session last
Suppose that we align a compass needle with the horizontal component of the Earth's magnetic field, What is the size of the horizontal component of the Earth's magnetic field
A 878 kg car has four 11.8 kg wheels. When the car is moving, what fraction of the total kinetic energy of the car is due to rotation of the wheels about their axles
A solenoid 2.9 m long has a radius of 0.85 cm and 630 turns. It carries a current I of 2.5 A. What is the approximate magnetic field B on the axis of the solenoid
A 190 g block hangs from a spring with spring constant 15 N/m. At t=0s, the block is 13 cm below the equilibrium point and moving upward with a speed of 98.0 cm/s.
Two masses are connected by a light string passing over a light, frictionless pulley, Determine the speed of each object when the two pass each other
A ranger in a national park is driving at 28.0 mi/h when a deer jumps into the road 225 ft ahead of the vehicle. After a reaction time t, the ranger applies the brakes to produce an acceleration of a = -9.00 ft/s2. What is the most reaction time a..
A startled armadillo leaps upward rising 0.550 m in the first 0.203 is. (a) What is its initial speed as it leaves the ground? m/s (b) What is its speed at the height of 0.550 m? m/s (c) How much higher does it go?
question1a 20 rm kg uniform door has a width of 1.2 rm m and a height of 2.5 rm m. the door is mounted on a post by a
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