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Solve the all parts of following question:
Question: A cord is used to vertically lower an initially stationary block of mass m = 25 kg at a constant downward acceleration of g/8. When the block has fallen a distance d = 1.5 m,
Part A: Find the work done by the cord's force on the block.
Part B: Find the work done by the gravitational force on the block.
Part C: Find the kinetic energy of the block.
Part D: Find the speed of the block.
Please show all work and steps to determine the work done by the cord's force on the block.
A student stands at the edge of a cliff and throws a stone horizontally over the edge with a speed of 14.0 m/s. With what speed and angle of impact does the stone land
A spinning wheel on a fireworks display is initially rotating in a counterclockwise direction. The wheel has an angular acceleration of -3.20 rad/s2. Find what time is required for the change in the angular velocity to occur
A mass-spring system oscillates with an amplitude of 5.60 cm. If the spring constant is 226 N/m and the mass is 453 g, determine the mechanical energy of the system
During a solar eclipse, the Earth, Moon, and Sun all lie on the same line, with the Moon between the Sun and the Earth. Find what force is exerted on the Moon by the Sun
The Earth’s electric field creates a potential that increases 100 V for every meter of altitude. If an object of charge +4.5 mC and mass 68 g falls a distance of 1.0 m from rest under the influence of the Earth’s electric and gravitational fields, wh..
Consider a 53-cm-long lawn mower blade rotating about its center at 3400 rpm. Calculate the linear speed of the tip of the blade
You bike at 11.1 m/s directly away from your neighbor\'s trumpet sound, What frequency is the trombonist producing
A 1391.3 kg car is traveling at 29.8 m/s when the driver takes his foot off the gas pedal. It takes 4.9 s for the car to slow down to 20 m/s. How large is the net force slowing the car? Answer in units of N
two points a and b lie 20 cm apart on a line extending radially from a point charge q. if the potential at a is 150 v
you are asked to hang a uniform beam and sign using a cable that has a breaking strength of 441 n. the store owner
A transverse wave is described by y(x,t) = 0.0065sin(3.57x – 27.7t) (Units are standard units.) Determine: Amplitude b) Wavelength c) Frequency d) Period
a diffraction grating 1.5 mm wide produces the fifth order pie/4 with light wavelength 650nm on the screen 80 mm away. What is the angle of the third order inside the water casing
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