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Q1. John throws a baseball from the outfield from shoulder height, at an initial velocity of 29.4 m/s at an initial angle of 30.0 with respect to the horizontal. The ball is in its trajectory for a total interval of 3.00 s before the third baseman catches it at an equal shoulder-height level. (Assume air resistance negligible) What is the ball's horizontal displacement?
Q2. A 7.0-kg bowling ball experiences a net force of 5.0 N. What will be its acceleration?
Q3. As I slide a box at constant speed up a frictionless slope, pulling parallel to the slope, the tension in the rope will be:
Q4. A 500-N tightrope walker st&s at the center of the rope such that each half of the rope makes an angle of 10.0 with the horizontal. What is the tension in the rope?2 900 N
Q5. A horizontal force of 750 N is needed to overcome the force of static friction between a level floor & a 250-kg crate. If g = 9.8 m/s2, what is the coefficient of static friction?
Find out the angular velocity at the beginning of the 4.60 interval; the angular acceleration of the flywheel.
Find out the coefficient of static friction
Find out the minimum sound intensity
The path of an electron, travelling at 3.7 × 104 meters/second, is making the right angle to a magnetic field. A single electron experiences a force of 2.2 × 10-15 Newton's while in the field. What is strength of the magnetic field .
A 500 turn solenoid with a length of 20 cm and a radius of 3.0 cm carries a current of 3.0 A. A second coil of four turns is wrapped tightly about this solenoid so that it can be considered to have the same radius as the solenoid. Find when the curre..
How to generate a constant deceleration
Magnitude your response differs from the accurate answer by more than 10%. Double check the calculations. N direction.what is the maximum speed car can have without losing contact with road as it passes this highest point.
A submarine is 304 m horizontally out from the shore and 126 m beneath the surface of the water. A laser beam is sent from the sub so that it strikes the surface of the water at a point 232 m from the shore. If beam just strikes the top of a building..
What is total distance the bird travels by trains collide
A 90° inverted cone contains water as shown. The volume of the water in the cone is given by V = (p/3) h3. The original depth of the water is 10 cm. A block with a volume of 200 cm3 and a specific gravity of 0.6 is floated in the water. Find the c..
A thermos contains 165 cm3 of coffee at 85° C. To cool the coffee, you drop two 14-g ice cubes into the thermos. The ice cubes are at first at 0° C and melt completely. What is the final temperature of coffee? Treat the coffee as if it were water.
What is the kinetic energy of an ideal projectile of mass 15.3 kg at an apex (highest point) of its trajectory, if it was launched with an initial speed of 42.5 m/s and an initial angle of 41.5° respecting the horizontal.
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