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Q1. A single-turn circular loop of radius 6.20 cm is to produce a field at its center that will just cancel the earth's field of magnitude 0.70 G directed at 70 below the horizontal north direction. Find the current in the loop.
Q2. A chair of weight 130 N lies atop a horizontal floor; the floor is not frictionless. You push on the chair with a force of F = 43.00 N directed at the angle of 35.0 degrees below the horizontal and the chair slides along the floor. Using Newton's laws, estimate n, the magnitude of the normal force that floor exerts on the chair.
What is tension in each string
How close to the edge of the 28.0 kg table, that is 2.2m with legs 1.2m apart, can a 62.0 kg person sit without tipping it over.
A 28.0 {rm kg} child plays on a swing having support ropes that are 2.20 {rm m} long. A friend pulls her back until the ropes are 45.0^circ from the vertical and releases her from rest.
A child goes down a playground slide with an acceleration of 1.20 m/s2. Compute the coefficient of kinetic friction between child and slide if the slide is inclined at an angle of 32.2° below the horizontal.
Hair dryer draws a current of 9.2a. How long does it take 1.9*10^3 C of charge pass through? How many electrons does this represent.
An aluminium cup of 180 cm3 capacities is totally filled with glycerin at 18° C. How much glycerin (in cubic cm) would spill out of the cup if temperature of both the cup and glycerin is increased to 33° C? (The linear expansion coefficient of alumin..
Determine the magnitude when the force on the wire
A radio station broadcasts at a frequency of 600,000 Hz. Know that radio waves have a speed of 3.00 x 10^8m/s, what is wavelength of these waves.
An elevator cable can withstand a maximum tension of 19,500N before breaking. The elevator has a mass of 480 kg and a maximum acceleration of 2.24 m/s2. Engineering safety standards require that the cable tension never exceed two-thirds of the breaki..
If air resistance & other effects are ignored how far away did the shell hit.
Find out the magnetic induction at a point
Discover the magnitude of acceleration
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