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A car rounds a curve that is banked inward. The radius of curvature of the road is R = 116, the banking angle is ? = 29°, and the coefficient of static friction is ?s = 0.27. Find the minimum speed that the car can have without slipping.
If you pour 0.0100 kg of 20C water onto a 1.20kg block of ice which is initially -15C what is the final temperature
A little league player balances a bat 57.0 cm from one end. She then hangs her 0.540-kg batting helmet on that end of the bat, Determine the mass of the bat
To stretch a certain spring by 2.70cm from its equilibrium position requires 8.00J of work. What is the force constant of this spring
A cart with mass 320 g moving on a frictionless linear air track at an initial speed of 1.9 m/s undergoes an elastic collision with an initially stationary cart of unknown mass. What is the speed of the two-cart center of mass
question1a weight lifter pulls down on a bar associated to some weights via a pulley system. he rises in the air. a
A steam catapult launches a jet aircraft from the aircraft carrier John C. Stennis, giving it a speed of 175 mi/h in 2.50 s. (a) Find the average acceleration of the plane. Correct: Your answer is correct. m/s2 (b) Assuming the acceleration is consta..
Light of wavelength 565 nm incident on a pair of slits produces an interference pattern on a distant screen in which the separation between adjacent bright fringes at the center of the pattern is 0.569 cm. What is the wavelength of the second sourc..
Common thermometers are made of a mercury column in a glass tube. which has the larger coefficient of linear expansion
A 1.5 kg box moves back and forth on a horizontal frictionless surface between two different springs with spring constants of 16 N/cm and 32 N/cm. What is the maximum speed the box will reach
Life scientists use ultracentrifuges to separate biological components or to remove molecules from suspension. Samples in a symmetric array of containers are spun rapidly about a central axis.
A positive point charge Q1 = 2.8×10?5C is fixed at the origin of coordinates, and a negative charge Q2 = ?5.5×10?6C is fixed to the xaxis at x=+1.5m. Find the location of the place(s) along the x axis
Two physical pendulums (not simple pendulums) are made from meter sticks that are suspended from the ceiling at one end. Determine the period of the wood pendulum
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