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Question1
An airplane with a speed of 79 m/s is climbing upward at an angle of 48° counter clockwise from the positive x axis. While the plane's altitude is 540 m the pilot releases a package.
(a) Analyse distance along the ground, measured from a point directly beneath the point of release, to where the package hits the earth.
(b) Find out an angle of the velocity vector of the package just before impact.
Question2
A shower stall has dimensions 86.0 cm 86.0 cm 210 cm. suppose the stall acts as a pipe closed at both ends, with nodes at opposite sides. Imagine singing voices range from 130 Hz to 2 000 Hz and let speed of sound in the hot air be 355 m/s. For someone singing in this shower, which frequencies would sound the richest (since of resonance)? For L = 0.860 m
A concave mirror has a radius of curvature of 24cm. Determine the object position for which the resulting image is upright, draw a ray diagram to determine the position of the image
Two students are on a balcony a distance h above the street. One student throws a ball vertically downward at a speed vi; at the same time, the other student throws a ball vertically upward at the same speed. Answer the following symbolically in t..
Four equal charges of +4.9×10-6 C are placed on the corners of one face of a cube of edge length 7.0 cm. calculate the magnitude of the force on the charge
A worker on top of a radar tower 22.4 ft high drops a wrench off the tower. What is the speed of the wrench when it hits the ground
A compact car has a mass of 1170kg. What will be the car's oscillation frequency while carrying four 84.0kg passengers
Ions having equal charges but masses of M and 2M are accelerated through the same potential difference, what is the radius of the arc followed by the lighter
what is the potential difference between the plates.Take the zero of the gravitational potential energy to be at the position of the child as the ropes are horizontal.
What is the frequency of blue light that has a wavelength of 450 nm and What is the frequency of red light that has a wavelength of 650 nm
As shown in the figure, sunlight is coming straight down (negative z-direction) on a solar panel (of length L = 1.51 m and width W = 0.930 m) on the Mars rover Spirit.
A proton and an electron have the same kinetic energy upon entering a region of constant magnetic field. What is the ratio of the radii of their circular paths
A 0.223 kg ball is thrown straight up from 1.81 m above the ground. Its initial vertical speed is 8.40 m/s. A short time later, it hits the ground. Calculate the total work done by the force of gravity during that time.
A 60 kg bicyclist rides his 9.8 kg bicycle with a speed of 16 m/s. What is the magnitude of the braking force
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