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Two cars approaching each other collide at right angles and stick together. Car A has a mass of 1200kg and was travelling due East at 15m/s while car B has a mass of 1500 kg and was travelling due north. After the collision, they move off at 64 degree north of east. Calculate the common velocity( magnitude and direction ) of the two entangled cars after the collision. What is the velocity of car B before collision?
Determine (b) the speed of both boxes (c) The ratio of the kinetic energy of the heaviest box to the lightest box. Assume there is no friction.
a line of positive charge is formed into a semicircle of radius r 57.1 cm.the charge per unit length along the
At the earths surface, a projectile is launched straight up at a speed of 8.7 km/s. To what height will it rise
A box of canned goods slides down a ramp from street level into the basement of a grocery store with acceleration 0.63 m/s2 directed down the ramp. Find the coefficient of kinetic friction between box and ramp
A lens has a 17 cm focal length. The lens is 30 cm from the 25 cm tall image. How far from the lens is the object? and What is the height of the object?
Compute the reflection loss and absorption loss for a 20-mil steel (SAE 1045) barrier at 10 kHz, 100 kHz, and 1 MHz for a near-field electric source that is a distance of 5 cm from the shield. [188.02 dB, 66.76 dB, 158.02 dB, 211.11 dB, 128.02 dB,..
The current in a 100 watt lightbulb is 0.790A. The filament inside the bulb is 0.200mm in diameter. What is the current density in the filament
Astronauts on the moon set up a simple pendulum of the length 1 m and measured it's period to be 4.93 s. What is the acceleration due to gravity on the moon?
A golf ball is struck at ground level. The speed of the golf ball as a function of the time, How far does the golf ball travel horizontally before returning to ground level
This sound was picked up by the microphone in the space suit (intended for the astronaut's voice) and sent back to Earth as a radio echo of sorts. If the round-trip time was 2.60 s, what was the approximate distance to the Moon, neglecting any del..
Suppose we wish to create a vector of zeros using a variable sampling rate Fs. i) If we want the vector to have a duration of 5 seconds (starting at time t = 0), what is the formula for the number of samples nz we need in terms of Fs?
What are the variables that can change the resistance or resistivity of a play dough experiment?
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