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A 300 gram block is attached to a light horizontal spring. The block is free to slide on a horizontal table. A force of 25 Newton compresses the spring 20 centimeter.
Calculate what is the spring constant, k?
Find how far beyond its equilibrium position will the spring stretch at its first maximum extension if the surface of the table is frictionless?
Find how far beyond its equilibrium position will the spring stretch at its first maximum extension if the coefficient of kinetic friction of the table surface is 0.20?
A woman who can row a boat at 7.3 km/h in still water faces along, straight river with a width of 6.8 km and a current of 3.3km/h. Let point directly across the river and point directly downstream. If she rows in astraight line to a point directly..
An object is released from an aeroplane which is diving at an angle of 30 from the horizontal with a speed of 50m/s. If the plane is at a height of 4000m from the ground when the object is released, find the velocity of the object when it hits the gr..
the velocity vector of a sprinting cheetah has x and y components vx= +12.6 m/s and vy=-27. m/s. what is the magnitude of the velocity vector
1 consider a system of n distinguishable atoms fixed in a lattice each of which has mnbspequally spaced energy levels
A 15-kg block rests on a level frictionless surface and its attached by a light string to a 5.0-kg hanging mass, What is the tension in the connecting string
An 8 Ohm speaker is connected across the output terminals of a power amplifier that delivers 72 W. What is the current supplied to the speaker
A 60 kg pole vaulter running at 11 m/s vaults over the bar. Her speed when she is above the bar is 0.7 m/s. determine her altitude as she crosses the bar
A long, narrow, rectangular loop of wire is moving toward the bottom of the page with a speed of 0.020 m/s. find the magnitude of the change in the magnetic flux
q. after driving a portion of the route the taptap is fully loaded with a total of 25 people with an average mass of 60
Calculate the scale height for water vapor in the Earth's atmosphere, Use this information to state whether telescopes atop mount kea would be better for infrared astronomy than one's at sea level
A charged line extends from y = 2.50 cm to y = -2.50 cm. The total charge distributed uniformly along the line is -8.50 nC. Find the magnitude of the electric field on the x-axis at x = 10.0 cm
A cartoon coyote sets out to capture the elusive road-runner by wearing a pair of ACME jet-powered roller skates, which provide a constant horizontal acceleration of 10 m/s^2. The coyote starts off at rest 100 m from the edge of a cliff at the ins..
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