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A baseball hit at an angle of θ to the horizontal with initial velocity v0 has horizontal range, R, given by
Here g is the acceleration due to gravity. Sketch R as a function of θ for 0 ≤ θ ≤ π/2. What angle gives the maximum range? What is the maximum range?
A soccer player kicks a rock horizontally off a 39.9 m high cliff into a pool of water. what was the initial speed given to the rock
a 0.70 kg mass at the end of a spring vibrates 4.0 times per second with an amplitude of 0.15 m.determinea the velocity
A 66kg rock climber is climbing a so called chimney between two rock slabs, What is her push against the rock
A cylinder with a piston contains 0.250 mol of oxygen at 2.40 H105 Pa and 355 K. The oxygen may be treated as anideal gas. The gas first expands is obarically to twice itsoriginal volume. It is then compressed isothermally to itsoriginal volume, a..
A pendulum consists of a point mass of 5 kilogram and is hanging from a mass less string of 2 m. Obtain the angular velocity of the pendulum when the point mass is exactly at the lowest point
The speed of a longitudinal wave in a mixture of helium and neon at 300k was found to be 758m/s. what is the composition of the mixture
A 10.0 ohm resistor, 10.0 mH inductor, and a 130 µF capacitor are connected in series to a 45.0 Volt (rms) source having variable frequency. Calculate the energy delivered to the circuit during one period
the masses attached to each side of an ideal atwoods machine consist of a stack of five washers each of mass m as shown
Police investigators, examining the scene of an accident involving two cars, which nearly came to a stop before colliding, Estimate the initial speed of that car assuming a level road
A 1000 kg car pushes a 2000 kg truck that has a dead battery. When the driver steps on the accelerator, What is the magnitude of the force of the car on the truck
A 189g block is launched by compressing a spring of constant k= 200 N/m a distance of 15cm. After launch, where does the block finally come to rest? Measure from the left end of the frictional zone
A ball of mass 0.206 kg with a velocity of 1.54 m/s meets a ball of mass 0.291 kg with a velocity of -0.396 m/s in a head-on, elastic collision. (a) Find their velocities after the collision. V1f = m/s V2f = m/s (b) Find the velocity of their center ..
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