Physics question and answers for September 05, 2023
- Q Consider three identical metal spheres, A, B, and C. Sphere Acarries a charge of +3q. Sphere B carries a charge of-q. Sphere C carries no net charge. Spheres A and...
- Q The masses and coordinates of three spheres are as follows: 22kg, x = 1.25 m, y = 2.25 m; 34kg, x = -1.00 m, y = -3.25 m; 56kg, x...
- Q Ball 1, with a mass of 110gand traveling at 10m/s,collides head on with ball 2, which has a mass of340gand is initially at rest. What are the final velocities of...
- Q A -12.0 nC point charge and a +24.0nC point charge are 18.0 cmapart on the x axisWhat is the electric potential at the point on the x axis wherethe electric...
- Q A woman rides a carnival Ferris wheel at radius 21 m, completing4.5 turns about its horizontal axis every minute. What are(a) the period of the motion, and the magnitude ofher...
- Q Standing sound waves are produced in a pipe that is 2.00 mlong.Part AIf the pipe is open at both ends , determine the locations alongthe pipe (measured from the left...
- Q 12. (a) Calculate the force needed to bring a 950-kg car torest from a speed of 90.0 km/h in a distance of 120 m (a fairlytypical distance for a non-panic...
- Q Q.1 Differentiate between single crystal and polycrystalline. (in details)
- Q Three point charges are arranged along the xx axis. Chargeq1q1q1 = -4.70 nCnC is located at x=x= 0.220 mm and charge q2q2q2 =2.70 nCnC is at x=x= -0.350 mm ....
- Q what is the implication of the third law ofthermodynamics and the fate of the universe? (give evidenceplease)
- Q We talked about the Doppler Effect for sound waves.Electromagnetic waves exhibit the same type of effect. Explain indetail how Doppler shift is used in astronomy, weather forecastingand radar.
- Q Derive Lens equation of two convex lenses (L1 and L2) separatedby 5 cm in Air. Write down the System Matrix equation and defineeach matrix elements.
- Q A  test  rocket  for  Cansat  is  launched  by  accelerating  it  along  a200m inclined plane at 1.25 m/s^2 starting from rest. The inclinerises  at  30  degrees  above  the  horizontal,  and  at  the  instanttherocket  leaves  it,  its  engine  turns  off  and  the  rocket  is  nowsubjected  only  to  gravity  (free  fall).Along  the  ramp,  gravity  isneglected.a)   Find  the  maximum  height  above  the  ground  that  the  rocketreaches.b)   The  horizontal  position  of  landing  as  measured  from  thebottom of the inclined plane (initial starting point).c)    The velocity of the rocket right beforelanding.
- Q On a frictionless horizontal air table, puck A (with mass 0.255kg ) is moving toward puck B (with mass 0.375 kg ), which isinitially at rest. After the collision, puck...
- Q A length of 20-gauge copper wire (of diameter 0.8118 mm) isformed into a circular loop with a radius of 24.0 cm. A magneticfield perpendicular to the plane of the loop...
- Q Come up with a few collision situations where you think theforces the two carts exert on one another will be ofequal magnitude. Briefly describe thesesituations.Come up with a few collision...
- Q What will the temperature of the cosmic microwave background bewhen the average distances between galaxies are 1.7 times as largeas they are today? (Hint: The peak wavelength of photons in...
- Q Radius of Moon's orbit is 240000 miles and period of revolutionis 27 days, diameter of Earth is 8000 miles and the value ofgravity on its surface 32 ft/sec2. Verify the...
- Q A mass is launched up a ramp so that the velocity of the mass atthe bottom of the ramp is 11.0 m/s. The coefficient of frictionbetween the ramp and the...
- Q You’re the infamous captain of a roving band of pirates and yourecently captured a castlefull of treasures. Another band of marauding pirates are tryingto storm your castle. You havea single...
- Q A long coaxial cable with a radius s carries a uniform linecharge Q on its inner conductor and a uniform surface charge -Q onits outer conductor.a) Sketch the situation including...
- Q Ball 1 has an inertia of 0.500 kg and ball 2 has an inertia of0.600 kg . Ball 1 is moving away from you at 5.0 m/s, and youdecide to...
- Q An LRC series circuit consists of a 3.15 H inductor, a 6.36 ohmresistor, and a 5.48 microFarand capacitor. The combination isconnected to an AC votage source that has a peak...
- Q A catapult launches a test rocket vertically upward from a well,giving the rocket an initial speed of 79.2 m/s at ground level. Theengines then fire, and the rocket accelerates upward...
- Q A 0.5-kg rock is thrown with a velocity of 6 meters per secondfrom a height of 10 meters. What is the total energy? (Use g=10m/s2. The answer will be in...
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