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Two cars collide at an intersection Car A has a mass of 1200 kg and car B has a mass of 1500 kg. On impact, the wheels of both cars lock and the cars slide (μk = 0.2). After impact the cars become entangled and move as a single unit a distance of 10 m at an angle θ= 60 degree. Determine the speeds of the cars VA and VB just prior to the impact.
The masses of the earth and moon are 5.98 × 1024 and 7.35 × 1022 kg, respectively. What is the magnitude of the charge placed on each body
Your opponent, in a desperate attempt to return your wicked serve, makes a high lob of the tennis ball that causes it to land out of bounds on the asphalt course behind you. It then bounces so that it just barely clears a 3.50 m wall that is 2.22 ..
Four charges are placed in a three-dimensional space. The charges have magnitudes 2 nC, -4 nC, 1 nC, and -9 nC. If a Gaussian surface encloses all the charges, what will be the electric flux through that surface?
A 2.6 kilogram block slides with a speed of 1.1 m/s on a frictionless, horizontal surface until it encounters a spring. Determine what initial speed should the block have if it is to compress the spring by 1.5 cm
A ball hits the ground at 12m/s and bounces back at 8m/s. The ball is in contact with the ground for 0.2s. If the mass of the ball is 250g.
How would you describe the "use of Newton's gravity to hold the solar system together" to an elementary school child? Give some examples and situations that you might find helpful in describing gravity.
Calculate the pressure exerted on the ground by a 57 kg person standing on one foot. Assume that the bottom of the person'sfoot is 13 cm wide and 28 cm long
conducting objects can be chrome-plated by immersing them in an electrolytic bath having positive chromium ions in
a parachutist relies on air resistance mainly on her parachute to decrease her downward velocity. she and her parachute
Consider a series LRC circuit with R=39 ?, L=0.11 H and C=1 µF. Find the angular resonant frequency of oscillations
A charge q = +929 ?C is uniformly distributed on a thin nonconducting ring of mass m = 0.60 g and radius r = 2.60 cm. What is the final angular velocity of the ring
a glider of length l moves through a stationary photogate on an air track. a photogate is a device that measures the
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