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A car starts from rest and then accelerates uniformly to a linear speed of 14 m/s in 38 s. If the tires have a radius of 28 cm, what are the following?
(a) the average linear acceleration of a tire
_______ m/s2
(b) the angular acceleration of a tire
______ rad/s2
(c) the angular displacement of a tire from t = 0 to t = 38 s
_____ rad
(d) the total distance traveled by a point on the edge of a tire (Ignore the linear motion.)
______ m
A truck of mass 10012 kg moving at a speed of 63.2 mph has lost its brakes. How far along the incline (?x) does the truck travel before it stops
A banana has 0.45 g of potassium. 0.0117% of that potassium is 4019K, What is the activity of the banana
A motorcycle starts with a constant acceleration of 3.0 m/s^2. At just that instant a buick with a constant speed of 20 m/s passes the motorcycle, How fast is the motorcycle travelling when it overtakes the buick
Two astronauts of equal mass 70 kg are holding on to opposite ends of a straight rope in space. The length of the rope between them is 14 meters. What is the new angular velocity of the two astronauts
A projectile is launched straight up at 59.5 m/s from a height of 76 m, at the edge of a sheer cliff. Find the maximum height of the projectile above the point of firing
A wave on a string is described by the relation y = A sin(47t - 0.023x), where t is measured in seconds and x in meters, with A = 0.18 m, Find the frequency of the wave
A block and a gun are firmly affixed to opposite ends of a long glider mounted on a frictionless air track. find the mass of the gun-glider-block system
A 1-cm-thick layer of water stands on a horizontal slab of glass. A light ray in the air is incident on the water 64? from the normal. what is the ray's angle from the normal
(a) How much charge can be placed on a capacitor with air between the plates before it breaks down if the area of each plate is 6.00 cm2? (b) Find the maximum charge if bakelite is used between the plates instead of air.
Harry Potter (55kg) is riding his broom north when a Slytherin casts a spell to knock him from the broom. what is Harry's velocity
The tape is now wound back into the drum at angular rate. With what speed would the end of the tape move? (Note that our drawing specifies that a positive derivative of implies motion away from the drum. Be careful with your signs. The fact that the ..
A baseball is hit so that it travels straight upward after being struck by the bat. A fan observes that it takes 2.80 s for the ball to reach its maximum height. Find the ball's initial velocity
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