Two ice skaters suddenly push off against one another starting from a stationary position. The 45-kg skater acquires a speed of 0.375 m/s relative to the ice. What speed does the 60-kg skater acquire relative to the ice? A) 0.75 m/s B 0.28 m/s c) 0.50 m/s D) 0.38 m/s

Q: A car is decelerating from 30 m/s to rest in 10 seconds. Determine car’s acceleration.

A: Given Initial velocity of the car is v0=30 m/s Final velocity of the car is vf=0 Time taken by the…

Q: The peak value of an AC passing through a (4.79x10^1) W device is (2.2x10^0) A. What is the rms…

A: RMS Power of a.c. source = 4.79× 101 W  Peak value of current (I 0) = 2.2 A

Q: A green toy car with 0.025-kg mass moves to the right at 0.30 m/s and has a head-on, elastic…

A: mass of green toy car (m) = 0.025 kg initial velocity of green toy car (u) = 0.30 msmass of black…

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A: The free-body diagram of the system is shown below. Here, d is the distance between the balls and T…

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A: Given data :    Initial velocity   =   u    Acceleration   =   a     Time   =   t        To find :…

Q: F2 = 1.96 N 90° Fs = 0.98 N, 1450 F1 =1.47 N, 30° 180° E = 3.30 N, 262° In an experiment about…

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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: a.) What minimum force must you exert to lift a car of mass 1500 kg. If rout = 0.71 m and Ain = 0.2…

A: The correct answer is option (D) i.e. Force is 1856 N and distance is 198 cm which is (B) in the…

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Q: A Fraunhofer diffraction pattern of a single slit of width 0.293 mm is produced using light of…

A: Given, Slit width(d)=0.293mm Wavelength (λ)= 656nm

Q: 8. Two charges are on the x-axis as shown in the figure. Charge q1 = +25 nC is at x = 5 cm while…

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Q: charges Q1 = 4 x 10‐8C and Q2 = ‐ 4 x 10‐8 C are positioned as shown below. a) Determine total…

A: Electric field due to point charge E = kq/r2  If two electric point acts at a point net electric…

Q: 1. An electric force 3.24 x 10 -10 N existing between a 18 proton charges and a mystery particle…

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Q: Using graphical approach in vector additon and a scale of 1cm:0.5Km, what is the resultant vectors…

A: Here we have given graphical sacale 1cm : 0.5km That 1cm is equivalent to 0.5km.

Q: O The x) 3 conmpononts qa magnitic field are By = 010T By O•15 T B. wire is oriented along A 25 Cm…

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Q: Vernier caliper gives smaller least measurement than the meterstick. Which statement is parallel to…

A: Here option (c) is correct. i.e Vernier caliper is more accurate than the meterstick.

Q: box with a mass of 5.5 kilograms moved a distance of 6m to the right. A tension of 63 Newtons by a…

A: box with a mass of 5.5 kilograms moved a distance of 6m to the right. A tension of 63 Newtons by a…

Q: Find the binding energy and the binding energy per nucleon of the (12/6)C nucleus. binding…

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Q: d) F(N) 20 (s)

A: We know that We have given a figure with the different positions of the block. We know that the…

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Q: Two forces, one of magnitude 3N and the other of magnitude 10N, applied to the ring of a force…

A: Option (b) 7N ≤ R ≤ 13 N Reason They could be in direction where they both are positive and such as…

Q: 10. Gauss's law asserts that the electric flux through any closed surface is proportional to the…

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Q: The sound waves travel with speed of 564 m/s. If is wavelength is 7 cm. Find the frequency of wave ?

A: Given data :      Speed of sound  =   V       Wave length   =   λ        To find :…

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

A: mass of cylinder pulley (m) = 40 kg radius (r) = 0.2 m angular speed (ω) = 4 rads

Q: R2 Rs = 1507 * 25 %3D R = 202 1- V = 120 %3D

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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: A ray of sunlight is passing from diamond into crown glass; the angle of incidence is 30.00°. The…

A: Given Angle of incidence is given as θi=30.0° Indices of refraction for blue light is nd=2.444 (in…

Q: A 10 kg is suspended vertically in a cord. What is the tension in the cord? *

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Q: A heat engine is operated between temperature limits 1380°C and 428°F. Engine supplied with 14,142…

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Q: Problem A long solenoid of radius R has n turns of wire per unit length and carries a time-varying…

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Q: Question: Which of the following captured its atmosphere gravitationally? a.) mercury b.) venus.)…

A: The earth captured its atmosphere gravitationally. Beacuse mass of earth is greater than mercury and…

Q: The fringe of order (1.0000x10^0) is observed at an angle of (7.3000x10^0)° when light of wavelength…

A: Image_1

Q: You are an engineer and asked to design a slide in the park. The qualification for the said slide is…

A: Given : Initial velocity (U) = 7 m/s  Gravity (g) = 9.80 m/s2

Q: How long will it take Mars to complete two full orbit? Mars is 228 million kilometers away from the…

A: We have the relations: GMsMmR2=Mmv2R and T=2πRv⇒v=2πRT

Q: The Boston Marathon is the oldest annual foot race, in which those that finish complete a distance…

A: We will need to do two unit conversions. First, convert yards to miles.

Q: Which of the following statement is true? If the resultant force acting on a body of constant mass…

A: We have given statement many statement If net force is zero then acceleration of body is zero mean…

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: an a screen with the intensity graph Points A. B. C. D. and E are bright fringes Points F, G. HLJ.…

A: Given Wavelength λ = 560 nm = 560 × 10-9 m  = 5.6 × 10-7 m  distance between slits d = 0.4 mm = 0.4…

Q: A certain container has 0.56grams of 90Sr. Calculate the activity of this material in units of…

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Q: 4- (a) In Fig. a beam of monochromatic light reflects and refracts at point A on the interface…

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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) The downward acceleration due to gravity is approximately 10 m/s². Using the standard coordinate…

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Q: A 0.7 m length of (9.009x10^0) mm diameter wire carries (2.16x10^0) mA current when (7.8210x10^0) mV…

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

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