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A girl kicks a ball from ground level. The initial velocity of the ball has an x component of 17 m/s and a y component of 10 m/s. What is the initial velocity of the ball What is the angle of the initial velocity relative to the horizontal direction What is the highest elevation reached by the ball What is the range of the ball.
A 20.3?kg chandelier is suspended from the ceiling by four vertical steel wires. Each wire has an unloaded length of 1.15m, how far do the wires stretch
a prospective cohort study is run to estimate the incidence of stroke in persons 55 years and older. all participants
A 50 Newton horizontal force pushes a 10 kilogram mass sitting on a horizontal surface towards the right. What is the acceleration of the mass and its direction
A force F= (6x - 2y)N acts on a particle that undergoes a displacement delta r= (3x + y)m. Find (a) the work done by the force on the particle and (b) the angle between F and r.
when point charge q1 = +5.0uC and q2 = +2.4uC are brought near each other, estimate the distance between the charges
A spacecraft of 140 kg mass is in a circular orbit about the Earth at a height h = 3RE. What is the spacecraft's kinetic energy
Your temperature is 98.4 degrees fahrenheit. what is the wavelength corresponding to the largest intensity
A capacitor C is charged up to a potential V and connected to an inductor L and a resitor R (in series). Find the current in the circuit as a function of time
The model rocket is fired vertically from rest. It has a net acceleration of 17.5m/s2. After 1.5s, its fuel is exhausted and its only acceleration is that due to gravity. how high does the rocket travel
The quadriceps pulls on the patella with a force of 1000N, while the patellar tendon pulls on the patella with a force of 1000N also. how large is the compressive force exerted by the femoral condyles on the patella
A factory worker pushes a 30kg crate a distance of 4.50 meters along a level floor at constant velocity by pushing it downward at an angle of 30degrees below the horizontal. The coefficient of kinetic friction between the crate and the floor is 0...
Two carts of similar mass are about to collide head on with each other. What is the total momentum of this system
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