(a) Calculate the buoyant force (in N) on a 3.00 L helium balloon. N (upward) (b) Given the mass of the rubber in the balloon is 1.50 g, what is the net vertical force (in N) on the balloon if it is let go? You can neglect the volume of the rubber. N (upward)

Q: Describe how objects can become electrically charged Use Coulomb's law to compute the force between…

A: (i) How objects can become electrically charged. (ii) Force between two charges using Coulomb's law.

Q: B A coin sits on a rotating turntable as shown in the figure. At the time shown in the figure, which…

A: We need to say what the direction of friction will be on the coin on turntable.

Q: 01a. A 72 N force is applied to a 11 kg box on rough level ground. The coefficient of friction…

A: A free-body diagram for a body under the influence of external forces is the situation where this…

Q: 5.) The threshold (cutoff) wavelength for the photoelectric effect in an unknown metal is 270nm.…

A: Given data: Threshold wavelength of the metal, λ0=270 nm=270×10-9 m

Q: In the following diagram, the current passing through 20 Ohm is 1.5 A. 19. What is the current…

A:

Q: Mickey, a daredevil mouse of mass 0.0189 kg, is attempting to become the world's first "mouse…

A: Given: In this question, the given details are, Mickey, a daredevil mouse of mass 0.0189 kg, is…

Q: 3. A basketball is thrown straight up at 25.3 m/s. a) What is the maximum height the basketball will…

A: Given:-  The initial velocity of the ball by which it has been thrown straight up u = 25.3 m/s…

Q: 8. Determine the acceleration of the block up the hill. The coefficient of friction is 0.1 M= 3.0 kg…

A:

Q: The path r(t) = (t) + (21²-5) j describes motion on the parabola y = 2x2-5. Find the particle's…

A:

Q: 9. Convert 3.14 rad into degree. OA. 180 OB. 45 O C. 60 OD. 30

A: According to question we need to convert rad to degree .

Q: Problem 10. A tube, open at only one end, is cut into two shorter (nonequal) lengths. The piece that…

A: For a open orgon pipe antinodes are produced at both end. For a closed orgon pipe antinode produced…

Q: What is the estimated VOLUME expansion coefficient, B f.

A:

Q: (numbers 11-12) Speakers C and D emit the same pure tone of wavelength 1.6 m, are exactly in phase,…

A:

Q: 10. An open container of water is filled to the very top. A 7 kg block with a density between 300…

A:

Q: Problem #1) Determine the moment of forces about point 0. F3=75 lb X- 15⁰ 6'-0" Y F₂ = 50 lb 90° Y…

A: Forces F1 = 25 lb,  F2 = 50 lb, F3 =  75 lbdistance between origin and point O (d) = 6 ft

Q: Vector A (5, 2) and B = (1, -1) in (x, y) component form. What angle does A + B make with the…

A: Vector A=(5, 2) and B=(1, -1) in the form of (x, y) component form.

Q: Starting with Gauss's Law, derive an expression for the electric field a distance r from the axis of…

A:

Q: Three large sheets are separated by equal distances of 15 cm as shown in the figure. The first and…

A: 1. Hence as per the given question,  there are three conducting and non-conducting plates .  which…

Q: Using the letters, match each prefix with the multiplier it represents. V V V V x 10-6 x 106 x 10-3…

A: The given prefix are associated with multiplier as per their definition.

Q: Using the equation below, describe what happens to Fg when you decrease the distance between two…

A:

Q: Example 2: The two uniform boxes (each with weight 350 lb) are simply stacked as shown. If the…

A:

Q: Your friend insists that he is "listening to" a radio wave. State the difference between a sound and…

A: A physical wave can be defined as a disturbance in space which is propagating. Periodic waves can be…

Q: 5) Let's use this expression to solve a problem. Star X and Star Y are intrinsically identical…

A: Given, star X is located 20 light-years from earth star Y is located 40 light-years  from earth…

Q: On earth, two parts of a space probe weigh 10600 N and 3780 N. These parts are separated by a…

A:

Q: 7,8,9

A:

Q: An optical chopper is a device placed in the laser beam path to periodically obstruct the light. If…

A:

Q: 9. Determine the tension T2 if the force pulling the blocks is large enough to give the system an…

A:

Q: A certain capacitor, in series with a 720-2 resistor, is being charged. At the end of 10 ms its…

A: Given: The given values are, Here, the given Resistance value is, R=720 Ω. And the time is,  t=10…

Q: Don't use chat gpt It

A: Step 1:Step 2:Step 3:

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.