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The steering wheel of a car has a radius of 0.14 m, while the steering wheel of a truck has a radius of 0.33 m. The similar force is applied in the same direction to each. What is the ratio of the torque produced by this force in truck to the torque produced in the car?
(Truck/car) = _____
A paperweight, when weighed in air, has a weight of W = 11.4 N. When completely immersed in water, however, it has a weight of Win water = 8.09 N
A rifle of 8lb fires a bullet weighing 0.8oz which leaves the rifle with a muzzle velocity of 2000 ft/s. What is the recoil velocity of the rifle?
A bat (see the image below) can detect very small objects, such as an insect whose length is approximately equal to one wavelength of the sound the bat makes. what is the smallest insect the bat can detect
A large balloon of mass 222 kg is filled with helium gas until its volume is 335 m3. Assume the density of air is 1.29 kg/m3 and the density of helium is 0.179 kg/m3. Calculate the buoyant force acting on the balloon
A kicker punts a football from the very center of the field to the sideline 37 yards downfield. ( a football field is 57 yards wide) What is the direction of the net displacement of the ball
a ball of mass 0.120 kg is dropped from rest from a height of 1.25 m. it rebounds from the floor to reach a height of
An object is in front of a converging lens (f = 0.370 m). The magnification of the lens is m = 3.60. Through what distance should the object be moved
A concave mirror has a focal length of 52 cm. The image formed by this mirror is in front of the mirror and located 106 cm away from it. What is the object distance
A stationary particle of charge q = 2.6 × 10-8 C is placed in a laser beam whose intensity is 2.3 × 103 W/m2, find the maximum magnitudes of electric forces
three charges each of magnitude 8 nc are at separate corners of a square of edge length 4 cm. the two charges at
A particle travels horizontally between two parallel walls separated by 18.4 m. It moves toward the opposing wall at a constant rate of 7.7 m/s. What will be its speed when it hits the opposing wall
If 18.35 mol of helium gas is at 11.6 degrees C and a gauge pressure of 0.371 atm. Calculate the temperature if the gas is compressed to precisely half the volume at a gauge pressure of 1.22 atm.
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