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Q1. Two particles are fixed on an x axis. Particle 1 of charge 40 micro-coulombs is located at x =-2 cm; particle 2 of charge Q is located at x = 3 cm. Particle 3 of charge magnitude 20 micro-coulombs is released from rest on y-axis at y=2 cm. What is the value of Q if the initial acceleration of particle 3 is in the positive direction of
The x-axis
The y-axis
Q2. A bar AB of negligible mass and length 2 m balanced at its midpoint a 4 kg and 5 kg masses are suspended from both ends. A 4 kg mass is 0.4m away from the midpoint. At what point the mass of 5 kg is suspended to a bar keep the balance?
How much farther from the tower does the cannonball from the higher cannon land than cannonball from the lower cannon.
A space vehicle is coasting at a constant velocity of 28.5 m/s in the +y direction relative to a space station. The pilot of the vehicle fires a RCS (reaction control system) thruster, which causes it to accelerate at 0.523 m/s2 in the +x direction.
What is speed of the second train, which travels faster
A steel aircraft carrier is 385 m long when moving through the icy North Atlantic at a temperature of 1.65°C. By how much does the carrier lengthen whereas it is travelling in the warm Mediterranean Sea at the temperature of 23.30°C.
Note the gravitational acceleration of equatorial sea level is g = 32.0088ft/s^2 and that its variation is 0.003ft/s^2/ 1000ft ascent. find the height in miles above its point for which g = 30.504 ft/s^2 and what is the weight of a 180lb man on top o..
What is the breaking strength
Determine the force of gravity between earth (mass =6.0x10^24kg) and the moon (mass= 7.4x10^22kg). The average earth-moon distance is 3.8x10^8m.
What is velocity of insect after it has accelerated
Two boats start together and race across a 62-km-wide lake and back. Boat A goes across at 62 km/h and returns at 62 km/h. Boat B goes across at 31 km/h, and its crew, realizing how far behind it is getting, returns at 93 km/h.
How long after being thrown will the balls collide
The tape is now wound back into the drum at angular rate. With what speed would the end of the tape move? (Note that our drawing specifies that a positive derivative of implies motion away from the drum. Be careful with your signs. The fact that the ..
Determine the location at which the tuning is formed and the vibrating frequency of a string to form a standing wave pattern.
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