force

Q: A spherically shaped balloon has a radius of 12 m, and is filled with helium. How much extra mass ca...

A: V= 4/3 π r3

Q: Playing jackstone as a kid, you discovered that there is a certain time before the rubber ball falls...

A: Solution:- Given values Initial velocity u=3.85 m/s Height h = 46.07 cm g= 9.81 m/s2

Q: Question 6) Figure shows a circuit that contains two batteries and two resistors. Determine the curr...

A: Given: The emf of the batteries is 6 V and 24 V. The resistance in the circuit is 12 Ohm and 8 ohms ...

Q: A physics teacher pushes a 80kg environmental science teacher out a helicopter without a parachute f...

A: By fbd of teacher  mg - Fdrag = ma  a = [(80×9.81) - 169]/80 a = 7.7 m/s2    At terminal speed net f...

Q: R = 1.12 × 10⁷ 1) Find λ = ? (From n = 5 to n = 2) 2) ΔE --> Z = 6 find the energy difference bet...

A: R = 1.12 × 10⁷ 1) n = 5 to n = 2 The relation is  1/λ  = R1n12-1n22 1/λ = 1.12 × 10⁷ (14-125 λ = 42....

Q: A rotating fan blade completes 20.0 revolutions per second. The tip of the fan blade is at a radius ...

A: Given data: Angular velocity (ω) = 20.0 revolutions per second Radius (r) = 15.0 cm = 0.150 m

Q: 39. A 58 kg pole vaulter needs to vault a height of 6.0 m. Assuming that all his kinetic energy can ...

A:

Q: Consider a system consisting of three particles: m = 3 kg, v = m/s m2 = 9 kg, v2 = m/s m3 = 4 kg, ...

A: P = m1v1+ m2v2+m3v3  Vcm = m1v1+ m2v2+ m3v3/ ( M)   

Q: A 3.5 kg rifle fires an 11 g bullet with a velocity of 575 m/s. (a) What is the recoil velocity of t...

A:

Q: A person struggles to read by holding a book at arm's length, a distance of 44 cm away. Part A What ...

A: Given  Object distance ,P=25-2.1=22.9cm Image distance Q=-(44-2.1)=-41.9cm  

Q: During the takeoff roll, a Boeing 747 jumbo jet which started from rest accelerated at a rate of   ...

A: time(t)=40 sec accelerated(a)=4 m/s2 initial velocity(u)=0 (started from rest) let take off velocity...

Q: The blood speed in a normal segment of a horizontal artery is 0.14 m/s. An abnormal segment of the a...

A: Calculate the velocity of the abnormal segment of the artery. A1V1=A2V2V2=A1A2V1=5×0.14=0.7 m/s

Q: 1. bowling ball travelling with a constant velocity hits the pins at the end of a bowling lane 18.03...

A:

Q: What are the formulas of interference of waves.

A: Let's take two waves of same amplitude and frequency but differ in phase So,  the two waves are:- y1...

Q: The spring in a dart gun has a spring constant of 20.0 N/m. The spring is compressed 8.00 x 10-2 m f...

A: Given data: Spring constant (k) = 20.0 N/m Compression in spring (x) = 8.00 × 10-2 m Mass of dart (m...

Q: you have Two straight wires have current upwards are 6cm apart, the right wire carries 67 amps and t...

A:

Q: 9. Pull the required charges to obtain the arrangements shown below (one at the time). Use the super...

A: Consider the charge having magnitude q. 

Q: A person slaps her leg with her hand, bringing her hand to rest in 260 ms from an initial speed of 4...

A:

Q: **A pellet gun is used to shoot 0.58 g pellets at a speed of 280 m/s into a piece of wood of mass M,...

A: In collision as no external force is involved ,so linear momentum remains conserved . Mass of bullet...

Q: 1. the picture is pressure and volume relationship of an ideal gas at constant temperature  A. This...

A: (A) The picture is pressure and volume relationship of an ideal gas at constant temperature -       ...

Q: Increasing the current going to an LED: [Choose all that are correct]     Can cause the LED to bl...

A: Given, Current supply to LED is increased. Statements regarding LED   

Q: 1.) A uniform solid cylinder of mass 10 kg can rotate about a frictionless axle through its center O...

A:

Q: 6. A spherically shaped balloon has a radius of 13.5 m, and is filled with helium. How much extra ma...

A: Calculate the volume of the spherical balloon. V=43πr3=43π13.53=10,306 m3   Therefore, the mass of h...

Q: A violin string is 62 cm long. The wave speed is 140m. (a) What are the wavelengths of the first thr...

A:

Q: 4) The process of burning fuel in a turbine engine can be modeled by a heat engine that utilizes a B...

A:

Q: The plywood sheet shown in the figure below measures 2.0 m x 2.0 m, and each of the four forces the ...

A:

Q: A 0.750 kg mass hangs from a vertical spring. Assume the mass of the spring is negligible. Note that...

A: Since we only answer up to 3 sub-parts, we’ll answer the first 3. Please resubmit the question and s...

Q: A magnet is aimed directly toward the center of a loop that is perpendicular to the screen (and so t...

A: Given Information: The loop is pulled up such that it becomes a slim line. Which mean the area of th...

Q: A steel ball of mass 8 kg is dropped from a building. If the air resistance is equal to 0.014v, what...

A:

Q: A constant applied force F, of 15.0 N pushes a box with a mass m = 6.00 kg a distance x = 15.0 m acr...

A:

Q: The following figure shows the shape and dimensions of a small dam. Assuming the water level is at t...

A: Given Information:- Width of the dam is w=45 m. Height of the dam is h=9 m. Therefore area of the fa...

Q: A capacitor is constructed out of a pair of perfectly aligned rectangular metal plates with a small ...

A: Initially the plates of a capacitor are filled with air. Dielectric constant for air is K = 1  Now, ...

Q: occupant moves toward the center Of a Merry go around at 6 m/s. If the merry go around rotates at 6 ...

A:  

Q: You are asked to double the acceleration of a billiard ball (pool ball). Describe how you will have ...

A: Newton's 2nd law states that the  force acting  on mass s equal to the rate of change of linear mome...

Q: Daredevil is attempting to jump his motorcycle over a line of buses parked end to end by driving up ...

A:

Q: A thin rectangular piece of wood floats in water. You slowly pour oil with a density equal to that o...

A:

Q: A wheel is attached directly to the shaft of a motor. When the motor applies a constant torque of 0....

A: Dear student The relation between Torque, Angular acceleration and Moment of Inertia is given as : T...

Q: mres identical point charges of (ID3+ 1) C each are located at the corners of a triangle of side len...

A: Solution : - concept suppose a charge q is place at a point whose position vector is rq →and we want...

Q: According to the spatial frequency approach to object perception   A the visual system performs a ...

A: According to the spatial frequency approach to object perception C ) the visual system has specializ...

Q: The figure shows a rigid assembly of a thin hoop (of mass m = 0.30 kg and radius R = 0.17 m) and a t...

A: Given :Mass of hoop, mh=0.30 kgRadius of hoop, R=0.17 mMass of rod, mr=0.30 kgLength of the rod, L=2...

Q: A woman wearing contact lenses with an optical power of +2.5 D has her near point at 25 cm. What is ...

A: Given : Power of contact lenses, P = +2.5 D Near point, S = 25 cm

Q: the center of mass of the system

A:

Q: A 55.0 kg player vaults to a height of 6.5 m before dropping to a thick foam mattress that was place...

A:

Q: An 181 g arrow is shot from a bow straight up into the air and then allowed to fall back to the grou...

A: Since you have posted a question with a multiple sub parts, we will solve first three sub - parts fo...

Q: Key Concepts: • Pascals Principle • Archimedes Principle

A: Given:-2 The water level height from the ground h = 36 ft  The pressure in the water is P = 32 lbf/i...

Q: 5. A 1000 kg car starts from rest with a constant acceleration and reach a velocity of 10 m s-1 in 8...

A: Given: The mass of the car is 1000 kg. The initial velocity of thr car is 0 m/s. The final velocity ...

Q: A 22-gg bullet traveling 245 m/s penetrates a 2.0 kg block of wood and emerges going 135 m/s. a)If ...

A:

Q: Find the value of the line integral of the magnetic field around a closed curve in the presence of s...

A:

Q: Steven carefully places a m = 1.65 kg wooden block on a frictionless ramp so that the block begins t...

A:

Q: The impulse-momentum theorem relates impulse to the change in momentum. If the person comes to a sto...

A: Impulse momentum theorem: The impulse – momentum theorem states that the impulse applied to a body i...