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A test rocket is launched by accelerating it along a 200.0 m incline at 1.78 m/s2 starting from rest at point A. The incline rises at 35.0 above the horizontal, and at the instant the rocket leaves it, its engines turn off and it is subject only to gravity (air resistance can be ignored). a) Find the maximum height above the ground that the rocket reaches b) Find the greatest horizontal range of the rocket beyond point A (point A is located at the base of the incline)
A horizontal bar 2.361 m long with a mass of 91.27 kg is hinged to a wall. What is the angle between the cable and the bar
Determine the change in gravitational potential energy of a 70-kg skier-Earth system when the skier goes down this slope.
A laser beam is reflected by a plane mirror. It is observed that the angle between the incident and reflected beams is 22 degrees.If the mirror is now rotated so that the angle of incidence increases by 5.0 degrees, what is the new angle between t..
Consider a visual binary star system with a period of 55.41 years. Its measured trigonometric parallax is 0.4217'' and, assuming that the plane of the orbit is in the plane of the sky, the true angular extent of the semi-major axis is 6.69''.
A 30-meter steel tape is correct at a temperature of 20.0(C). The distance between two points, What is the true distance between the points
A hockey puck struck by a hockey stick is given an initial speed of 10 m/s. how far will the puck slide before stopping
A 3-kg object initially traveling at 6 m/s in the negative x direction collides and sticks to a 4-kg object traveling at 2 m/s in the positive y direction. find the magnitude of the velocity of the combined objects
A heat transfer of 8.5x10^5 J is required toconvert a block of ice at -11 *C to water at 11 *C. What was the mass of the block of ice
Three resistors {R1 = 12.0 ?, R2 = 18.0 ?, and R3 = 36.0 ?} are connected in parallel, and in turn connected to a 70.0 V source with an internal resistance of 1.00 ?. calculate the terminal potential of the source
A diffraction grating has 2604 lines per centimeter, and it produces a principal maximum at θ = 30.0 °. What are the wavelengths of the incident light that could have produced this maximum
a ball of mass 0.075 kg is fired horizontally into a ballistic pendulum. the pendulum mass is0.350kg. the ball is
An astronaut moving with a speed of 0.53c relative to Earth measures her heartrate to be 71 beats per minute. Calculate the astronaut's heart rate, as measured on Earth
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