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a) A projectile launcher is set up in lab at a height of 1.05 meters above the lab floor. A projectile is launched with an initial speed of 1.07 m/s at an angle of 49 degrees above horizontal. What is the horizontal distance which the projectile travels before it hits the ground?
b) A student pulls a box of books on a smooth horizontal floor with a force of 100 N in a direction of 37.0o above the horizontal. If the mass of the box and the books is 40.0 kg, what is the normal force on the box?
c) Question 6 In the 2008 Summer Olympics, Michael Phelps won the 100-m butterfly swim in a time of 50.58 seconds. The second place swimmer, Milorad C%u030Cavic%u0301, finished with a time of 50.59 seconds. Based on this information, how far ahead of C%u030Cavic%u0301 was Phelps when Phelps finished the race? answer it in CM
How much time is neccesary to stop the crate. A block with mass m = 5.5 kg slides down an inclined plane of slope angle 10.9 ° with a constant velocity. It is then projected up the same plane with the initial speed 3.85 m/s. How far up the incline ..
You are driving in one direction on a long straight road. You drive in the positive direction at 126 km/h for 30.0 minutes, How far did you drive
A woman is riding a Jet Ski at a speed of 28.8 m/s and notices a seawall straight ahead, what is the minimum distance from the seawall that she can begin making her turn and still avoid a crash
A 529-kg satellite is in a circular orbit about Earth at a height above Earth equal to Earth's mean radius, Find the gravitational force acting on it
Find out all intermediate results to at least four-digit accuracy to minimize roundoff error. m/s2 direction 3° from the direction of velocity towards center of the circle
radial acceleration of the tip of the second hand of a clock is 0.0021 m/s^2 what is the length of the second hand
A 1000-kilogram race car is traveling at 60 m/s around a curved section of track that has a radius of 300 m. What is the car's centripetal acceleration? What is the centripetal force that acts on the car?
The acceleration due to gravity on the Moon's surface is known to be about one-sixth the acceleration due to gravity on the Earth. find the mass of the Moon in terms of the mass of the Earth
A light ray enters a glass slab at point A at an angle of 57.6° with respect to the surface normal and then undergoes total internal reflection at point B. What minimum value for the index of refraction of the glass can be inferred from this?
A sphere of mass 3.00 g is suspended from a cord. A steady horizontal breeze pushes the sphere so that the cord makes a constant angle of 28.0° with the vertical. Determine the tension in the cord
The turbines in a hydroelectric plant are fed by water falling from a 50-m height, what is the mass flowrate of water required to power a 200-watt light bulb
A curve with a 140 radius on a level road is banked at the correct angle for a speed of 20 . If an automobile rounds this curve at 30 , what is the minimum coefficient of static friction between tires and road needed to prevent skidding.
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