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Tarzan swings on a 31.0 m long vineinitially inclined at an angle of 37.0° with the vertical.
(a) What is his speed at the bottom of the swing if hestarts from rest?
m/s
(b) What is his speed at the bottom of the swing if he pushes offwith a speed of 5.00 m/s?
A 532 nm light wave in vacuum transmits into a glass plate of thickness 1.00 cm and index 1.60, at normal incidence. How many wavelengths span the glass
The Near Earth Asteroid Rendezvous (NEAR), after traveling 2.1 billion km , is meant to orbit the asteroid Eros at a height of about 15km. What will be the period of NEAR as it orbits Eros
A 206kg rock sits in full sunlight on the edge of a cliff 5m high. The temperature of the rock is 30.2 degrees celcius. what is the final temperature of the rock-water system
A log of mass 40 kg is dropped into river at 0°C. If the relative density of the log is 0.8, what will be the volume of the log above the surface
A 1350 N uniform beam is attached to a vertical wall at one end and is supported by a cable at the other end. A W = 1860 N crate hangs from the far end of the beam. Calculate the magnitude of the horizontal component of the force that the wall exe..
For the following diagram. , Y = 36 cm, X = 30 cm, Z (the distance from the Y axis to the center of the circle) equals 12 cm and the diameter of the circle is 16 cm. Circle is negative area. The distance from the x axis to the center of the circle..
A uniform plank of length 5.40 m and weight 217 N rests horizontally on two supports, with 1.1 m of the plank hanging over the right support. To what distance x can a person who weighs 417 N walk on the overhanging part of the plank before it immedia..
A proton is moving in a circular orbit in a uniform magnetic field perpendicular to the orbit plane. calculate the magnetic force on the proton
An object of mass 10 kg is initially at rest. What is the change in the kinetic energy of this object
A thin film of oil (n = 1.29) is located on smooth, wet pavement. What is the minimum thickness of the oil film
1- draw a large circle. now place the major surface pressure and wind belts of the world at their appropriate
A 490 kg cannon fires a 9.0 kg cannonball with a speed of 200 m/s relative to the muzzle. what is the speed of the cannonball relative to the earth
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