What is the acceleration of the ball
A 2-kg ball is moving with a constant speed of 5 m/s in a horizontal circle whose radius is 50 cm. What is the acceleration of the ball?
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You have seen an advertisement of a 2nd handlaptop. As an interested buyer, write a letter of inquiry [havingat least 5 questions] in order to gather requisite information about the laptop and send it to P.O box abc.
A 55.0-kg box rests on a horizontal surface. The coefficient of static friction between the box and the surface is 0.300. What horizontal force must be applied to the box for it to start sliding along the surface?
Someone offers you a game of unbiased coin toss, where you win 111 USD on tails, and lose 85 USD on heads. What is the expected value of one such toss?
A box is sliding down an incline tilted at an angle 14.0° above horizontal. The box is sliding down the incline at a speed of 1.70 m/s. The coefficient of kinetic friction between the box and the incline is 0.380. How far does the box slide do
A car travels around 200 m radius flat curve at 40 m/s at constant speed. What is the minimum static coefficient of friction which allows it to travel at this speed without sliding?
A warehouse employs 21 workers on first shift and 18 workers on second shift. Eight workers are chosen at random to be interviewed about the work environment. Complete parts (a) through (d).
A 1000-kg car is picking up speed as it goes around a horizontal curve whose radius is 100 m. The coefficient of static friction between the tires and the road is 0.350. At what speed will the car begin to skid sideways?
What is the expected value and variance of the random variable X? Calculate the exact binomial probability.
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