Already have an account? Get multiple benefits of using own account!
Login in your account..!
Remember me
Don't have an account? Create your account in less than a minutes,
Forgot password? how can I recover my password now!
Enter right registered email to receive password!
The masses of the javelin, discus, and shot are 0.80 kg, 2.0kg, and 7.2 kg, respectively, and record throws in thecorresponding track events are about 98 m, 74 m, and 23 m,respectively. Neglecting air resistance,
(a) calculate, the minimuminitial kinetic energies that would provide these throws, and
(b) estimate the average force exerted on each object during the throw,assuming the force acts over a distance of 2.0 m.
(c) Do yourresults suggest that air resistance is an important factor?
An archer pulls her bow string back 0.380 m by exerting a force that increases uniformly from zero to 219 N. How much work is done in pulling the bow
A meter stick of aluminum is bent at its midpoint so that the two halfs are at right angles and the midpoint is at the origin of the x,y coordinate system
A vertical spring (spring constant =165 N/m) is mounted on the floor. A 0.390-kg block is placed on top of the spring, Obtain the frequency (in Hz) of the motion
A pill bottle 3.0 cm tall is placed 12 cm in front of a mirror. An upright image 9.0 cm tall is formed. What kind of mirror is this, and what is its radius of curvature?
The burning of gasoline in a car releases about 3 × 10^4 kcal/gal. If a car averages 43 km/gal when driving 90 km/h, which requires 20 hp, what is an efficiency of the engine under those conditions.
A vacationer floats lazily in the ocean with 95% of his body below the surface. The density of the ocean water is 1025 kg/m3. What is the vacationer's average density
Consider a string with length 36 cm. The two ends are attached to the ceiling, separated by distance 30.0 cm. A 1 kg mass is attached to the string at distance 15 cm from the left end. Then the mass hangs suspended in Earth's gravity. (a) Determin..
A hydraulic lift is used to jack a 970 kg car 13 cm off the floor. The diameter of the output piston is 18 cm, and the input force is 250 N. Calculate the combined work input of all of the strokes
Draw the field lines for two infinitely long wires one running along the y axis and one running along the x axis, both charged uniformly with lambda C/m. Make an expression for the electric field E at any point in the xy plane in terms of x and y...
a sound wave traveling in 26 degrees C air has a pressure amplitude of 0.500 Pa. (assume that the density of air is 1.29 kg/m^3). What is the intensity of the wave
A bat at rest sends out ultrasonic sound waves at 53.5kHz and receives them returned from an object moving directly away from it, What is the received sound frequency
An airplane with a speed of 77.1 m/s is climbing upward at an angle of 70.4 ° with respect to the horizontal. When the plane's altitude is 861 m, Calculate the distance along the ground
Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!
whatsapp: +1-415-670-9521
Phone: +1-415-670-9521
Email: [email protected]
All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd