A hand-driven tire pump has a piston with a 2.1 cm diameter and a maximum stroke of 24 cm. (a)  How much work do you do in one stroke if the average gauge pressure is 2.1 × 105 N/m2?  (b)  What average force do you exert on the piston, neglecting friction and gravitational force?

Q: EVALUATE THE STATEMENT. The resistance of a wire is (I) proportional to its length and (II)…

A:

Q: QUESTION 29 What is the current flow through a 24 ohm resistor if there is a 9 volt battery…

A: Voltage of battery = 9 V  Resistance of resistor = 24 ohm

Q: Which of the following statements are true considering the forces on the system of you and a bicycle…

A:

Q: Application of Image Formation The power of a contact lens is 1.5 Diopters. 1. The contact lens is…

A:

Q: 6Ω 1 2 9 V 3 If you wanted the current to be exactly 2 amps, what size resistor would you need if…

A:

Q: Two cars leave from the same place at the same time and travel in opposite direction. One car…

A:

Q: A cylinder contains 8.0 g of oxygen gas. How much work must be done to compress the gas at a…

A: Given: The weight of the oxigen is 8 g. The temperature of the gas is 100o C = 373 K. The final…

Q: Singly charged sodium atoms are accelerated through a potential difference of 210 V. (a) What is the…

A:

Q: A laser is shone on two narrow slits, fully illuminating both slits, producing an interference…

A: Interference pattern is seen when light waves from two sources do interference with each other . Due…

Q: A 2.0 kg cart moving right at 3.0 m/s collides head-on with a 3.0 kg cart moving with a velocity of…

A: Taking right-hand side direction positive Givenm1 = 2.0 kgm2 = 3.0 kgu1 = 3.0 m/su2 = - 1.0 m/sv1  =…

Q: An object with a mass of m = 5 kg is attached to the free end of a light string wrapped around a…

A:

Q: In the figure, what is the equivalent resistance (Reg) in 2 between terminals A and B? R1 in R3 R7 A…

A:

Q: A 3 kg mass attached to a spring with a K constant of 5 N/m is stretched by 0.5 m. What is the force…

A:

Q: A conducting loop with area A sits in a uniform magnetic field of strength B, pointing out of the…

A:

Q: What keeps up a satellite on its orbit? a. Gravitational Force of Attraction b. High Tangential…

A: Correct option (a) Gravitational Force of Attraction. Reason - When a satellite is in circular…

Q: A spring is attached at one end to support B and at the other end to collar A ,as represented in the…

A:

Q: 5. A 2.0 kg mass is placed against a spring of force constant 800 N/m, which has been compressed…

A:

Q: car with a mass of 1200kg is moving at speed of 19m/s The driver hits a parked van. The car comes…

A: Given-  Mass , m = 1200 kg  Initial speed , u = 19 m/s  Final speed , v = 0 m/s  Distance travelled…

Q: X-rays of wavelength 0.0620 nm are scattered from a crystal with a grazing angle of 11.1°. Assume m…

A:

Q: A suspension bridge cable is exposed to the elements. For this particular bridge, temperatures vary…

A:

Q: Which requires more energy and by how much? Taking a 1000kg car from 0 mph (0m/s) to 30 mph…

A: Given:A 1000 kg car from 0 mph to 30 mph (13.4 m/s)A 1000 kg car from 60 mph (26.8 m/s)  to 70 mph…

Q: A(n) microwave photon has a wavelength of 9.20 cm. Find the momentum, the frequency, and the energy…

A: Given: The wavelegth of the photon is 9.2 cm.

Q: Which of the following is a measure of inertia? a. Mass b. Friction c. Force d. Weight

A: Inertia is the tendency of object to resist the change in it's state of motion and it is dependent…

Q: A crate of mass 60 kg is pushed along a floor with a force of 30 N for a distance of 14 m.Calculate…

A: Given data :                           Force    =    F                      Distance    =    d…

Q: An arrow is held by an archer on a drawn bowstring, which has an elastic potential energy of 100 J.…

A:

Q: 1. A stone is thrown vertically upward from the ground with an initial velocity of 128 ft/sec. How…

A: we have y=ut-12gt2

Q: odrofac What charging RC circuit has a time constant of 1. A. 1 B. 2 D. 4 E. 5

A:

Q: In the figure, two circular arcs have radii a = 14.2 cm and b = 11.5 cm, subtend angle e = 79.0°,…

A:

Q: What positive value of x/A gives v= 0.56 v_max, where A is the amplitude of the motion?

A: we have v=ωA2-x2vmax=Aω⇒v=vmaxAA2-x2=vmax1-x2A2

Q: Why a ball rolling across the floor does slows to a stop? a. The force that started it moving wears…

A: A ball rolling across the floor does slows to a stop because of a set of force acting on it, i.e.,…

Q: Magnetic Induction The Earth's magnetic field is 2.0 a 10-5 T, inclined downwards at an angle of 20°…

A: Magnetic flux :-  IT is the integration of dot product of magnetic field vector and area vector.

Q: What is the activity (in particles/s) of a sample of Carbon-14 that contains 4.109E+21 nuclei?

A:

Q: If a mirror forms an image having a Magnification M=+5, the image is upright and magnified O upright…

A: The magnification ratio is define as                                     m = Image height(I)object…

Q: A current is a wire varies with time according to the relationship I = 45A – (0.754)t,how many…

A:

Q: An electric circuit has a battery with an EMF of 1.50 V. Its positive terminal is connected to its…

A: Given data: emf V = 1.50 V Radius r = 0.500 m Resistivity ρ=1.80×10-8 Ω-m Density for copper…

Q: The one-dimensional motion of a vehicle ca into two stages: Stage AB: The vehicle moves with a cor…

A: GivenStage ABv1=5 m/s . t1=10 sStage BCa=2 m/s2  , t2=5 s

Q: A stone is thrown vertically upward from the ground with an initial velocity of 40 ft/s. How high…

A: Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: 10. A stone of mass 2kg is attached to a string of length Im. the string can withstand maximum…

A:

Q: Two identical waves, each of wavelength = 1 m, produce a standing wave on a 2-m thin rope. If the…

A:

Q: suppose that you are working in the physics lab and program a computer to exert a certain amount of…

A:

Q: What is the magnitude of the final velocity of a 7.5 kg moving push cart maintained by an unbalanced…

A:

Q: Suppose that you are working in the physics lab and program a computer to exert a certain amount of…

A:

Q: point charge, q1 = +5.00μF, is placed at the origin of an x-y plane. A second point charge, q2 =…

A: Absolute potential will be zero at those points where the electric field cancel out due to both the…

Q: 30 m 40 m 30 m

A: GivenLength of rod, L=100 mMass of beam, m=210 kgm1=50 kgm3=300 kg

Q: Sample Problem 1: A beam of light going through a medium with an index of refraction of 1.14 has an…

A: Given data: The incidence angle is θi=51°,

Q: 1. Theratio of the resistance of twe win same ienguN IS 1.5. Fma the Tatio of hen areas ana…

A:

Q: (a) What must be the charge (sign and magnitude) of a 1.45-g particle be for it to remain stationary…

A:

Q: Given an open tank that contains different layers of fluid. Hoil Hw Hhg Determine the Absolute…

A: We know that the pressure increases as we move into the liquid

Q: What law of motion is being applied when an object is being push with constant force? O A. none of…

A: Motion There is no motion if you are standing under the tree. Your velocity, v, is equal to zero.…

Q: A 1.50 m cylindrical rod of diameter 0.500 cm is connected to a power supply that maintains a…

A: