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Solve the following question given below:
Question: Given two vectors a = 3.6i -3.8j and b =6.2i+8.3j.
Part A: Find the direction of the vector a-b?
Please show all work and explain your methods and steps.
Two lamps marked 60-watts, 120 volts and 40-watts, 120 volts are connected in series across a 120-volt line. What is the power consumption in each lamp
A ball is released from a hot air balloon moving downward with a velocity of -10.0 meters/second and a height of 1,000 meters. How long did it take the ball to reach the surface of Earth? Given: g = -9.8 meters/second2. A. 11.2 seconds B. 12.1 sec..
Two small identical conducting spheres are placed with their centers0.48m apart. One is given a charge of10multiplied by10-9C, Find the electrostatic force exerted on one sphere by the other
a 35 horizontal metal bar 14 long is free to slide up and down between two tall vertical metal rods that are 14 apart.
two workers push horizontally in the same direction on a 250 kg wooden crate that is on a wooden floor. What total force must they exert to start the crate moving
an ammonia molecule nh3 has a permanent electric dipole moment 5.0 10-30 cm. a proton is 1.8nm from the molecule in
Calculate the horizontal force that must be applied to a 1.00 kg puck to make it accelerate on a horizontal friction-free air table with same acceleration it would have if it were dropped and fell freely.
a long solenoid that has 910 turns uniformly distributed over a length of 0.390 m produces a magnetic field of
An object at rest explodes into three pieces of equal masses. One moves east at 23 m/s, while the second piece moves northwest at 14 meter per second. Find the velocity of the third piece?
An L-R-C circuit has L = 0.400 H, C = 2.65×10?5 F, and a resistance R. Angular frequency is 307 rad/sec when R = 0.
4 kg of liquid seawater with initial temp 0 C and salinty 3 % is mixed with pure water with initital temp 15 C the system reaches equilibrium at 5 C
A 920 kilogram sports car collides into the rear end of a 2300 kilogram unstopped at red light. Determine the speed of the sports car at impact
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