An electric-powered snow-thrower machine throws snowballs 0.2 kg each at a speed of 9 m/s. The machine throws 2 snowballs per second. What is the average electric power consumption of such a machine? Consider that its efficiency is 50%. Express your answer with the appropriate units. μÁ P= Value Units Submit Previous Answers Request Answer ? Acti

Q: Problem 6: A 4.8. 105-kg rocket is accelerating straight up. Its engines produce 1.35 • 107 N of…

A:

Q: A biologist has a 6894-gram sample of a radioactive substance. Find the mass of the sample after two…

A:

Q: A golf ball strikes a hard, smooth floor at an angle of 30.7° and, as the drawing shows, rebounds at…

A: Given that The mass of the ball Speed what is the magnitude of the impulse applied to the…

Q: what is part d?

A:

Q: What is the percent error in the accuracy in the measured volume of the cube? Use the calculated…

A: Length of each side of cube with precision

Q: (a) We know that a projectile follows a parabolic path in the absence of air resistance. If the…

A:

Q: In the given circuit, 12 = 30 A, 13 = 12 A. What is the current through the battery, in Amperes?…

A: Kirchhoff's Current Law states that the total current entering a junction in an electrical circuit…

Q: A block M₁ of mass 10.5 kg sits on top of a larger block M₂ of mass 20.5 kg which sits on a flat…

A:

Q: A car (mass = 1010 kg) is traveling at 32.3 m/s when it collides head-on with a sport utility…

A: Givenmass of car(m)=1010kg velocity of car(v)=32.3m/s Mass of sport utility vehicle(M)=2130kg Asked…

Q: A car is moving with a velocity of 25 m/s when the brakes are applied and the wheels lock (stop…

A:

Q: Four capacitors are connected to a battery as shown in the following figure. Find • the equivalent…

A:

Q: Potassium (40K) decays to Argon (40Ar) with a half-life value of 1.3 billion years. 40K is the…

A: This problem can be solved using radioactive decay concept.

Q: Task 5: A scientist prepares a test tube 10 cm from the axis of rotation in a centrifuge. The…

A:

Q: 10. You have three carts connected by strings, as shown in the diagram. Assume their masses m₁, m2,…

A:

Q: What is the role of electromagnetic interference (EMI) in affecting the quality of transmission over…

A: Suppose you are talking to your relative and suddenly due to some reason there is chirping voice…

Q: A solenoid has the following dimensions. inner diameter d = 4.92 cm length L = 30.7 cm When a…

A:

Q: 5.00 μF capacitor that is initially uncharged is nnected in series with a 4600 resistor and a V emf…

A:

Q: A pile driver lifts a 300 kg weight and then lets it fall onto the end of a steel pipe that needs to…

A: Thhee mass of the weight is .The distance covered by the weight before striking the pipe is .The…

Q: A typical human brain has a mass of 1.4 kg, which makes up about 2% of a person's mass. However, the…

A:

Q: The coefficient of kinetic friction between a refrigerator (mass 91 kg) and the floor is 0.13, and…

A: The mass of the refrigerator is The coefficient of static friction isThe coefficient of Kinetic…

Q: When a glass bottle full of vinegar warms up, both the  vinegar and the glass expand, but vinegar…

A: Glass bottle full off vinegar when warms up, both vinegar and glass expand and vinegar expands more…

Q: 45) Which nuclide X would properly complete the following reaction: on +92U235= 36 Kr94 +X+3on¹ OA)…

A: 0n1 + 92U235  = 36Kr94 + X + 30n1In any chemical reaction mass, total mass of reaction reamains…

Q: A small box of mass m1 is sitting on a board of mass m2 and length L.

A: The maximum magnitude of the force F pulling the board so that the box does not slip on the board is…

Q: A rod has a work of 1.72 eV. What is the light wavelength required to just knock out electrons?

A: The work function of the rod,                                      We need to find the light…

Q: A student is skateboarding down a ramp that is 5.02 m long and inclined at 23.6° with respect to the…

A:

Q: Three forces act on a moving object. One force has a magnitude of 87.6 N and is directed due north.…

A: Given data: Force (F1) = 87.6 N, due NorthForce (F2) = 47.2 N, due WestVelocity of the object is…

Q: A typical adult ear has a surface area of 2.1×10-3m2. The sound intensity during a normal…

A: Area, A = 2.1×10-3 m²Intensity, I = 3.2×10-6 W/m²Power, P = ?

Q: A bird flying west has an air speed of 17 km/h. If there is a southeasterly wind of 9 km/h, find the…

A:

Q: Nanoparticles are very light. Assume a nanoparticle of diameter 45 micro-meter is falling with a…

A:

Q: What is the y-component of vector C? -4 -3 4 cm 2 cm 1 cm -1 cm -2 cm -4 cm 10 L y (cm) 1 1 -x (cm)

A: From given diagram Position of tail of vector C             (x1 , y1) =  (1cm , 1 cm ) Position of…

Q: For the situation in the figure below, use momentum conservation to determine (a) the magnitude and…

A:

Q: An idealized p (1) graph for a programmable fan cart on a low-friction surface is shown below. (What…

A:

Q: A bird flying west has an air speed of 17 km/h. if there is a southeasterly wind of 9 km/h, find the…

A:

Q: In the figure the battery potential difference V is 12.0V and each of the seven capacitors has…

A:

Q: Problem 5: A car negotiates an unbanked 85.2 m radius curve at 19.9 m/s. Calculate the minimum…

A:

Q: 5. C₁50F, C₂ 10F, and C₂= 20F. Determine the effective capacitance for the three capacitors in…

A: Given variable To determine Determine the effective capacitance for the the three capacitors in…

Q: Rank the pitches heard from the siren of a fire engine from highest to lowest, when the fire engine…

A:

Q: "telescope?

A: Area of the Human Pupil: Given that the diameter of the human pupil is 0.1 inch, we can calculate…

Q: 6. A stomper begins from rest and accelerates at 20 cm/s² for 1.0 m. a. How long does it take the…

A: Part (6):Initial speed is 0 m/s.The acceleration of the object is 20 cm/s2 = 0.2 m/s2.The distance…

Q: An airplane accelerates down a runway at the ground. Determine the distance traveled before takeoff.…

A: Given,initial speed (u)= 0acceleration of the plane(a)=2.30m/s2time taken(t)=34.8 sec

Q: at the same dista under water. Calculate how much closer the coin is perceived to be when it is 10cm…

A: Here to calculate the perceivedness of the coin due to under the water at a depth of 10 cm we can…

Q: vertical plastic rod of mass M and length L is free to rotate about its center but is at rest. A…

A: Mass of rod = M Lengh = L Mass of bullet (m) = M/18

Q: The velocity of an object plotted as a function of time is shown below. ([s] s/w) A 50 40 30 20 10 0…

A:

Q: A particle moves with constant acceleration. Att Os the particle is at the origin. At t = 0s the…

A: This problem can be solved using equations of motion.

Q: A student is pulling a crate with a mass of 20.0 kg along a horizontal frictionless floor with a…

A:

Q: Calculate the length R of the semimajor axis of a planet whose period is 159 yea

A: Period, T = 159 yearsLength of semi major axis, R = ?

Q: The speed of an object moving forward a straight line changes from 20m/s to 21m/s in 2s. What is the…

A: GivenInitial velocity = u = 20m/sfinal velocity = 21m/s time taken = t  = in 2s.I have to calclate…

Q: between 3 and 7 seconds? A B-4- с -T= a (m/8") 20 grapr

A:

Q: How long L is a tungsten wire if it has a diameter of 0.199 × 10-³ m and a resistance of 3.85 kQ?…

A:

Q: m₂ g and m2 = 4.6 kg are connected by a string as shown

A: Mass,                        The angle of inclination,            To find,a) The coefficient of…

Instantaneous Power

Power is defined in physics as the amount of energy transmitted or transformed per unit time. The watt is the unit of electricity in the International System of Units, equivalent to one joule per second.