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Q1. A traveller pulls on a suitcase strap at an angle of 35° above the horizontal. If 424 J of work is done by the strap while moving the suitcase a horizontal distance of 17.0 m what is the tension in the strap? Give the answer in SI units.
Q2. If the light from the spotlight strikes the mirror at an angle to the normal, what angle to the normal would you expect for the reflected rays?
Q3. An emf is induced in a conducting loop of wire 1.12 {rm m} long as its shape is changed from square to circular.Find an average magnitude of the induced emf if the change in shape occurs in 4.24 {rm s} and local 0.120-{rm T} magnetic field is vertical to the plane of loop.
What are magnitude and direction of the force
Question on a planet similar to Earth
A flywheel in a motor is spinning at 560 when a power failure suddenly occurs. The flywheel has mass 40.0 and diameter 75.0. The power is off for 34.0, and during this time the flywheel slows down uniformly due to friction in its axle bearings. Durin..
Find out an effective coefficient of kinetic friction
Compute the acceleration of each box decide maximum distance the car rolls up the hill
Light of wavelength 588 nm falls on a double slit. First-order bright bands appear 3.65 cm from the central bright band. The screen is 1.20 m from the slits. How far apart are the slits.
A hydrometer is used to measure the specific gravity of liquids. For a sure liquid a hydrometer reading indicates a specific gravity of 1.15. What is the liquid's density and specific weight? State the answer in SI units.
For safety in climbing, a mountaineer uses a nylon rope that is 69 m long and 1.0 cm in diameter. Whilst supporting a 96-kg climber, the rope elongates 1.4 m. Find its Young's modulus.
What is the magnitude of an average acceleration of the ball
What is the acceleration of the truck. If it starts 4.50 m from the lower edge of the roof, how fast would the toolbox be moving just as it reaches the edge of the roof if the kinetic friction force on it is 18.0 N.
What is volume concentration
While Voyager 2 sent back pictures of Neptune during its historic flyby of that planet in 1989, the spacecraft's radio signals travelled for 4 hours at the speed of light to reach Earth. How far away was the spacecraft.
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