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Q1. A hockey stick is swung with the average angular acceleration of 1.5 rad/s2. What is the angular velocity of the stick as it strikes the ball at the end of 0.8 second swing?
Q2. Consider a cylindrical segment of a blood vessel 2.9 cm long and 1.70 mm in diameter. What additional outward force would such a vessel require to withstand in the person's feet compared to a similar vessel in her head?
We all know that your homes have primary voltage Vp 120V that comes to them, What type of transformer is needed to reduce the voltage
A penny sits 20 cm from the axis on an old record, which is spinning at 45 rpm. find the coefficient of friction between the penny and the record
A child on a sled starts from rest at the top of a 15.0 degree slope. If the trip to the bottom takes 15.2s, how long is the slope
climbers attempting to cross a stream place a 345 kg log against a vertical frictionless ice on the opposite side the log log is inclined at 27 degree, what is the maximum mass for a climber and pack to cross without the log slipping
To get to a concert in time, a harpsichordist has to drive 120 miles in 2.09 hours. What is his average velocity for the entire trip
Suppose Fuzzy, a quantum-mechanical duck, lives in a world in which h = 2?J · s. What is the minimum uncertainty in the duck's speed
A near-sighted woman cannot focus on any object farther away than a distance x = 57 cm. Find the focal length of the lens which will correct her vision
Draw a ray diagram depicting the following: and object is 20cm in front of a concave mirror whose radius of curvature is 25cm. Calculate the image position using the mirror equation
A commonly used method of fastening one part to another part is called "shrink fitting." By how many Celsius degrees should the rod be cooled
An archer pulls back 0.75 m on a bow which has a stiffness of 200 N/m. The arrow weighs 50 g. What is the velocity of the arrow immediately after release
A large power plant converts 1000 kg of water to steam every second to run its generators. Compute the amount of heat required each second just to vaporize the water, assuming this is done at 100 C. What is the power input in megawatts for this pu..
The springs of a 1300 {rm kg} car compress 6.0 {rm mm} when its 62 {rm kg} driver gets into the driver's seat. If the car goes over a bump, what would be the frequency of vibrations.
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