q32. A 50.0 g mass is placed at the 20 cm mark in meterstick as shown in the figure. what is the mass of the meter stick if fulcrum is placed at the 39.5 cm mark and the meter stick remains horizontal in static equilibrium? 120.0 g            18.0 g                                                                                    45.0 g    135.0 g   93.0 g

Q: A converging lens (f = 11.0 cm) is held 8.45 cm in front of a newspaper, the print size of which has…

A: Given, converging lens of focal length f = 11.0cm object distance is do = 8.45cm height of the print…

Q: A 65-kg woman runs up a flight of stairs in 10.0 s. Her net upward displacement is 3.0 m.…

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Q: Two thin slits separated by 0.17 mm are illuminated by a monochromatic plane wave, producing…

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Q: Young's modulus of iron rod is 21 × 1010 N/m2. A force of 7.0 × 105 N is applied to a 1.5-m length…

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Q: Find the activity of a sample containing 6.92 x10-6 g of  (T1/2 = 5.27 years).

A: Total sample,N=6.92*10-6 g. T½=5.27 years.

Q: What is the net torque of the bar shown in figure below about the axis Indi by the 10 N 30° 1 m 4 m…

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Q: Consider the following. (a) Find the angle ? locating the first minimum in the Fraunhofer…

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Q: A copper pipe (with inner diameter 20.0 mm and outer diameter 22.2 mm) is connected to a 12.0 V car…

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Q: Two identical spheres have the same positive charge qo. When they are separated at 20 cm, the…

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Q: Which is correct regarding the advantages of each scheme? Batteries that are connected in series…

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Q: An airplane is flying at an altitude of 12 km at 100 m/s. What is the equivalent velocity of the…

A: Altitude = 12 km = 12 x 3280.8 ft =39370 ft Indicated air speed, IAS = 100 m/s = 328.08 ft/s…

Q: A (1.100x10^1) cm focal length lens is used to focus an image on the photographic film in a camera.…

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Q: solenoid used to produce magnetic fields for research purposes is 1.7 m long, with an inner radius…

A: Given A solenoid used to produce magnetic fields for research purposes is 1.7 m long, with an inner…

Q: Mike is cutting the grass using a human-powered lawn mower. He pushes the mower with a force of 45 N…

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Q: A rocket is at rest in space relative to the Earth and has a mass of M = 2.55 × 10^5 kg when it is…

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Q: What is the tension in the rope that lifts a box with a mass of 5 kg (90 degrees)?

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Q: Along a straight horizontal track, a roller-coaster car is moving at 25 m/s. As shown in the figure…

A: Given Data:- Initial speed of the car is v=25 m/s Height of the hill is h=10 m Required:- Speed of…

Q: 2. A 1500-kg elevator moves upward with constant speed through a vertical distance of 25 m. How much…

A: Given Mass of an elevator = 1500 kg Distance moved by elevator in upward direction with constant…

Q: An insulating sphere with a radius of 20 cm carries a uniform volume charge density of 1.5 x 10-6…

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Q: In a nuclear experiment a proton with kinetic energy 1.3 MeV moves in a circular path in a uniform…

A: Given in a nuclear experiment a proton with kinetic energy 1.3 MeV and given alpha particle…

Q: 39. A voltage of 12 V is placed across a copper wire circuit with a wire length of 1.0 m and…

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Q: A converging lens with a diameter of 25.0 cm forms an image of a satellite passing overhead. The…

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Q: Clock A travels to the right at a speed v = sq root of 7/9 C relative to clocks B and C. As A…

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Q: The items on the right show an incomplete radioactive decay equation. Match the items at the left to…

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Q: q34. A 2 kg object moving at 3 m/s collides with a 4 kg object that is stationary. If the collision…

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Q: What is the acceleration of a 5000 kg rocket taking off from the Moon, where the acceleration  due…

A: Given data:  Mass of rocket (m) = 5000 kg Acceleration due to gravity (g) = 1.6 m/s2 Mass flow rate…

Q: The compression ratio of Otto cycle is 10. If the maximum temperature of the cycle is 1200 °C. Find…

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Q: Leni Marcos has a bar that is 1m in length has a negligible mass. She placed the pivot point at the…

A: Given a bar that is 1m in length has a negligible mass. She placed the pivot point at the 0.55 m…

Q: Two motor vehicles, BMW and Ducati, are driving at SLEX southbound lane. At 9:00:00 am they are 100…

A: Velocity of the Ducati V1 = 100km/hr = 27.77m/s Initial  velocity of BMW u2 = 100km/hr Deceleration…

Q: An electric field of 5.4 N/C passes through an area of 3.4 cm2. Calculate the flux in units of 10^-4…

A: Given data:  Electric field (E) = 5.4 N/C Area (A) = 3.4 cm2 = 3.4×10-4 m2  Angle between electric…

Q: A (9.80x10^0) cm focal length lens is used to focus an image on the photographic film in a camera.…

A: Given:- f= 9.8 cm v= image distance= distance between lens and film= 18.8 cm u= object distance

Q: A planet that has a mass 2.03 times that of the Earth is orbiting a star that has the a mass 3.86…

A: Mass of planet =2.03 times mass of earth  Mass of star =3.86 times mass of sun  Average distance…

Q: A jet plane travels a distance of 1 .53 x 103 km, in 1.0 h and 28 min. Determine the speed of the…

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Q: An extremely thin sheet of glass is being inspected at the laboratory. Illuminated by white light at…

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Q: A possible means for making an airplane invisible to radar is to coat the plane with an…

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Q: An investigator places a sample 1.0 cm from a wire carrying a large current; the strength of the…

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Q: How far from the earth would you be able to travel in a lifetime of 88 years if you were able to…

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Q: T2 --

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Q: A bug is on a turntable, as shown below.  The turntable is rotating at a constant rate of 3.5…

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Q: A wooden block with a weight of 9 N is placed on water. When the block floats on the surface of…

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Q: Part A A container holds 0.50 g of argon at a pressure of 7.0 atm. How much heat is required to…

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Q: Eight resistances [identical] are connected in series across a 220-V line  a. Identify the voltage…

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Q: Water is flowing through a pipe of two cross sectional areas A1 and A2 lying horizontally. The…

A: According to Bernaulli's theorem P + pgh+(1/2)p×v2  = constant

Q: double concave lens (diverging lens) f=-15cm d, =10cm Id,l>lflthe obiect is before focus of the…

A: Focal length=-15cm do=10cm

Q: A 40-kg cylinder pulley with a radius of 0.2 m rotates at a constant angular speed of 4 rad/s. What…

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Q: 23. In the below figure for capacitors connected in parallel, what is the correct statement and…

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Q: In determining the least count of the main scale in the Vernier caliper, which of the following…

A: Given:  A vernier caliper  Required:  The method that followed to find out the least count of the…

Q: Sarah G went to her outside faucet in garage to fill a 0.0189 m³ bucket with water to bath her dogs.…

A: Given data:  Volume (V) = 0.0189 m3 Velocity (v) = 0.61 m/s Radius (r) = 0.0078 m Required: The time…

Q: How far is the second dark fringe to the right of the central bright fringe in the double-slit…

A: slit width (d) = 0.2 mm screed distance (D) = 5 m wavelength of light = 548 nm

Q: A wind tunnel has an inlet section with a velocity of 360 ft/s at standard atmospheric conditions.…

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Torque

Torque is the rotational equivalent of linear force in physics and mechanics. Based on the course of study, it is also known as the moment of force, rotational force, or turning effect.