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Question: A backpacker hikes northwest for 3 kilometer, then hikes west for 2.5 km.
Question 1: What is his resulting displacement?
I need help to determine his resulting displacement. Thanks.
The power brick for a laptop computer has a power rating of 45 W. What is the rms current in the input coil of the transformer
question suppose that we could use the energy released when 3 g of antimatter annihilates 3 g of matter to lift a mass
Two solid spheres simultaneously start rolling( from rest) downan incline. One sphere has twice the radius and twice the mass ofthe other. Which has the greater total kineticenergy at the bottom
Consider a proton and an electron separated by a distance of 3 nm. Find the magnitude of the gravitational force between them
A 1.20kg cart starts down a ramp with a speed of 1.50 m/s. The ramp is 0.750m high, inclined at an angle of 12 degrees by respect to the level ground at the bottom, and the coefficient of friction along the plane is 0.222. When the cart gets to the b..
A wagon is rolling forward on level ground. Friction is negligible.The person sitting in the wagon is holding a rock. The total mass of the wagon, rider, and rock is 91 kg. The mass of the rock is0.30 kg.
After a completely inelastic collision, two objects of the same mass, Find the angle between the initial velocities of the objects
When four people with a combined mass of 340 kg sit down in acar, they find that the car drops 0.90 cm lower on its springs. What is the frequency of the car's vibration
A meter stick of weight W leans away from a wall. The 0cm line is against the wall at the floor and it makes an angle theta with the wall. It is kept from falling by a horizontal string connected to the 80cm line. What is the tension (T) in the strin..
two point charges q and -3q are located a distance d apart with -3q to the right of q. find the location of all the
A race car moves such that its position fits the relationship x(t) = (3.1 m/s) t + (0.98m/s3) t3 where x is measured in meters and t in seconds. find the average velocity during the 3.3 s.
A series R-L-C circuit of R = 235 ohm, L = 0.900 H and C = 1.50 μF carries an rms current of 0.280 Amp with a frequency of 100 Hertz. Find what average power is delivered by source
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