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A projectile of mass 0.605 kg is shot straight up with aninitial speed of 18.3 m/s. (a) How high would itgo if there were no air resistance? (b) If theprojectile rises to a maximum height of only 7.02 m, determine the magnitude of the average force due to air resistance.
An uncharged capacitor and a resistor are connected in series to asource of emf. If emf = 6.00 V, C = 22.0 µF,and R = 100 , find the following. the time constant of the circuit
The stretched length of a spring is 4.28 m. A ribbon is tied aroundthe spring at a point near its center. A pulse created at one endof the spring makes 13 back-and-forth trips along the spring in6.59 s.
In a T1 PCM-TDM system, 24 signals all with the same bandwidth of 4 kHz are multiplexed after sampling at their Nyquist rate. If an 8-bit ADC is employed in this T-carrier system, find the speed of the digital multiplexed line.
an air mattress is 2.3 m long 0.66 m wide and .14 m deep. if the air mattress isteslf has a mass of 0.22 kg what is
An object whose rotational inertia is 100 kgm2 is subjected to a torque of 20 Nm. During this time, what is its rotational displacement
during a circus performance a 71.2-kg human cannonball is shot out of a 16.8-m-long cannon. if the human cannonball
question an arctic weather balloon is filled with 10.2l of helium gas inside a prep shed. the temperature inside the
A circular conducting loop of 100 turns and radius 14 cm spins at 1000 rpm about an axis along its diameter, Find the maximum value of the e.m.f induced in the coil
When a Newton's ring aparatus is submerged in a liquid the diameterof the 8th dark ring decreases from 2.92 cm to 2.48 cm. What is the refractive index of the liquid?
Explain the physical processes by which astronomers are able to estimate the temperature of a gas by observing which spectral lines are present in its spectrum and measuring the relative strength of the lines. This process is known as Balmer thermome..
In the javelin throw at a track-and-field event, the javelin is launched at a speed of 28 m/s at anangle of 32° above the horizontal. As the javelin travels upward, its velocity points above the horizontal at an angle that decreases as time passes
a 0.1kg ball moving at 10 m/s collides with a 1 kg block that is initially at rest. Find the ratio of the kinetic energies of the two objects after collision
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