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A 6-m-long pole AB is placed in a hole and is guyed by three cables. Knowing that the tensions in cables BD and BE are 442 N and 322 N, respectively, determine
(a) The tension in cable CD,
(b) The reaction at A.
A student sees a newspaper ad for an apartment that has 1365 square feet (ft2) of floor space. How many square meters of area are there
A 12.6 µF isolated capacitor is constructed with Teflon, having a dielectric constant of 2.1, between the plates. estimate the potential difference across the capacitor plates
Four positively charged particles enter magnetic field as shown. What would be the path of each particle in the field
A kicker punts a football from the very center of the field to the sideline 37 yards downfield. What is the direction of the net displacement of the ball?
An artillery shell was fired at a 60 degree elevation on the top of a 150 m hill. The muzzle velocity of the shell was 275 m/s. Find the maximum height of the object
An automobile tire is inflated with air originally at 10.0°C and normal atmospheric pressure. What is the tire pressure
The masses and coordinates of three spheres are as follows: 14 kg, x = 1.25 m, y = 1.25 m; 38 kg, x = -2.50 m, y = -2.00 m; 62 kg, x = 0.00 m, y= -0.50 m. What is the magnitude of the gravitational force
A charge q= +5.80 x 10^-6 is located at the center of a regular tetrahedron (a four sided surface). find the electric flux through one face of the tetrahedron
the siren on an ambulance is emitting a sound whose frequency is 2150 hz. the speed of sound is 343 ms.a if the
A spacecraft passes earth moving eastward at the speed of a particle whose kinetic energy is 13.5 times its rest energy. Find the speed of the particle
Each tire on a car has a radius of 0.330 m and is rotating with an angular speed of 15.5 revolutions/s. Find the linear speed v of the car
A ski tow operates on a 15.0o slope of length 300 meter. The rope moves at 12.0 km/h and provides power for 50 riders at one time, Obtain the power required in hp to operate the tow
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