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A 0.075 kilogram toy airplane is tied to the ceiling with a string. When the airplane's motor is started, it moves with a constant speed of 1.01 m/s in a horizontal circle of radius 0.43 meter, Calculate the angle the string makes with the vertical and the tension in the string.
The vertical component of this force is 128 newtons, as the horizontal component is 145 newtons. Calculate the magnitude of F.
A parallel-plate capacitor is constructed using a dielectric material whose dielectric constant is 2.90, Find the minimum area of the capacitor plates
Three capacitors numbered 1, 2 & 3, each have the same value of capacitance, What is the effective total capacitance
To hoist himself into a tree, a 72.0-kg man ties one end of a nylon rope around his waist and throws the other end over a branch of the tree. determine the man's upward acceleration
A two-stage rocket accelerates from rest at +3.27 m/s^2 for 6.82seconds. It then accelerates at +2.98 m/s^2 for another 5.90seconds. After the second stage, it enters into a state of freefall.
Assume that the Sun radiates like an ideal thermal source at a temperature of 6000 K, What is the intensity of the solar radiation emitted in the range 550.0 nm to 552.0 nm
a total of 3.02 106 electrons are placed on an initially uncharged wire of length 1.45 m.a what is the magnitude of
In the absence of air resistance, a projectile is launched from and returns to ground level. It follows a trajectory similar to that in Figure 3.11 and has a range of 16 m. Suppose the launch speed is doubled, and the projectile is fired at the same ..
A microscope has an objective lens with a focal length of 16.22 mm and an eyepiece with a focal length of 9.72 mm. what is the actual diameter of the red blood cell
A 1500 kg car traveling at 90 km/h east collides with a 3000 kg cartraveling at 60 km/h south. What is the direction of motion of the cars after collision
By analyzing a multiflash photograph of a golfer hitting a golf ball, one finds that the head of the club travels 47.0 cm in 0.0105 s, Find the approximate instantaneous speed of the club head at the instant of contact
A ray of light strikes the a-b interface at 50o angle of incidence. The index of refraction a is na=1.20. Obtain the indices of refraction in these two media
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