A new car model claims that a certain 1600 kg car can accelerate from rest to a speed of 25m/s in a time of 10 sec. What average power must the motor produce to cause this acceleration? Ignore friction losses.

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A: 'Given: The mass of the earth is 6x1024 kg. The mass of the sun is 2x1030 kg. The distance between s...

Q: 2. A spring stretches by 18.5 cm when a bag of potatoes weighing 67 N is suspended from its end. How...

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Q: Consider 3 resistors with resistances 1.2 × 102 Ω, 2.2 kΩ, and 3.8 kΩ.    Part (a)  What would be t...

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Q: A 350 kg roller coaster car starts from rest at point rictionless loop-the-loop (Fig. P7.41). The ca...

A: We know that the law of conservation of the energy is given as  Let the mass m and the height point ...

Q: 1) A ball is thrown at 14.0 m/s at 45° above the horizontal. Someone located 30.0 m away along line ...

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Q: Find the wauelength Broqueny Sleadg waue = 350 m/5. =D80H2 %3D

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Q: A heart defibrillator passes 12.5 A through a patient's torso for 5.00 ms in an attempt to restore n...

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Q: Two equal and like charges are found to be at a distance of 5.5 centimeters and exert a force of 9 X...

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Q: two positive point charges, q1=+16uc and q2=+4uc, are located on the x-axis of a coordinate plane. c...

A: Given to us is,         q1 = 16μC         q2 = 4μC distance(r) = 3 m Now the second charge sign chan...

Q: A placekicker kicks a football at an angle of 23.0 degrees with respect to horizontal and the initia...

A: Since, it is known that maximum velocity occurs at initial and final points, that is just right afte...

Q: 1) A ball is thrown at 14.0 m/s at 45° above the horizontal. Someone located 30.0 m away along line ...

A: given: initial velocity of ball u = 14.0 m/s angle θ=45°  

Q: ss-sectional area of a 5.5 cm long sol

A: Given that            The length of the solenoid is(l) = 5.5cm = 5.5*10-2m            Number of turn...

Q: A car moving at 35 m/s approaches a stationary whistle that emits a 220 Hz sound. The speed of sound...

A: Given that:- f0=Observer frequency of sound=?fs=Actual frequency of sound waves =220 Hzv=Speed of so...

Q: An 9 g bullet is fired horizontally into a 7 kg cube of wood, which is at rest, and sticks in it. Th...

A: Given data:  Mass of bullet (m1) = 9 g = 0.009 kg Mass of cube (m2) = 7 kg Initial velocity of cube ...

Q: hitter strikes a baseball so that it leaves the bat at speed v0= 37.0 m/sat an angle θ0= 53.1°. (a) ...

A: Vo = 37 m/s Theta = 53.1Xo = 0 m iYo = 0 m jax = 0 m/s^2 iay = -9.8 m/s^2 jX= Vo * costheta( t)= 37[...

Q: 8.36 • A 1050 kg sports car is moving westbound at 15.0 m/s on a level road when it collides with a ...

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Q: Sally is on a kayak that comes to a stop a small distance from the dock. Since it is such a small di...

A: let mass of sally = m mass of kayak = m1 and mass of yacht = m2  

Q: Detemine the maximum torque that the field can exert in a water molecule if it experiences a dipole ...

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Q: Below are 2 force vectors: the 2.0 Newton force is pointing 60° above the negative x-axis, and the 1...

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Q: 13. A 16 g bullet moving at 200 m/s passes through a 2.0 cm thick sheet foam plastic and emerges wit...

A: Given: The mass of the bullet is 16 g. The initial velocity of the bullet is 200 m/s. The final velo...

Q: When excessive heat is produced within the body, it must be transferred to the skin and dispersed if...

A: Given : T = 37°C L = 0.033 m A = 1.6 m2 To = 34.4°C t = 10 minutes = (10)(60) = 600 seconds k = 0.20...

Q: Two cars A and B have a velocity of 22m/s in the same direction. Car A is 96.05m behind Car B when t...

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Q: The mass of an idotope of an sulfur atom is A= 1+2Z. Please calculate the number of neutrons found i...

A: Given that:- A=Mass number of sulfur=1+2Z where, Z=Atomic number of sulfur=16

Q: A 9.5 x 10-3 uF capacitor is needed. What must be the area needed if the plates are to be separated ...

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Q: Consider the following free particles : a 1-eV photon, a 1-MeV electron, and a 10-MeV proton. Which ...

A: Among the following particles the fastest particle is 1-eV photon and the slowest particle is 10-MeV...

Q: A heart defibrillator being used on a patient has an RC time constant of 11.0  ms due to the resista...

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Q: 1. A flat coil of wire (0.1m by 0.2m) has 50 turns. At t=0, the coil is perpendicular to a magnetic ...

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Q: When an object which is thrown upwards reaches its maximum height

A: When an object is thrown upwards then it will reach to its maximum height because acceleration due t...

Q: Find acceleration U=4 m/s V=8 m/s t= 4 s

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Q: 9. When a force of 550N pushes on a 35 kg box as shown, the acceleration of the box up the incline i...

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Q: Problem: A student ( having a mass of 49 kg) falls freely from rest and strikes the ground. He comes...

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Q: A parallel plate capacitor has fixed charge. By what factor does the energy stored in the E change i...

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Q: 7.40 • A 2.00 kg block is pushed against a spring with negligible mass and force constant k = 400 N/...

A: Given: m = 2.00 kgk = 400 N/mx = 0.220 mθ=37.0°all surface : frictionless

Q: Viy = 50 m/s Vix = 88 m/s

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Q: Your new Telsa Model 3 specs say that it can do 0-60 mph in 3.2 seconds. Can you get the acceleratio...

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Q: wn to the right and rest on a frictionless surface. There is friction between the two blocks (coeffi...

A: We know that box m1 is placed over the box of mass m2 and the force F is applied on the top box at t...

Q: Question 2: A signal a(t) = 2 cos(500nt) is multiplied with another signal b(t) = 20 cos(100nt). (a)...

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Q: A point on the rim of a wheel moves with a velocity of 95 feet per second. Find the angular velocity...

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Q: confused on whether this is kinematic equation formula or other

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Q: Question 13 Mike the Tiger jumps purely horizontally from his rock that is 3 m off the ground with a...

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Q: You charge an initially uncharged 63.1 mF capacitor through a 21.9 2 resistor by means of a 9.00 V b...

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Q: Your teacher stands 20 meters from a wall and fires a dart gun which hits the wall 1 m below the hor...

A: distance between teacher and wall = 20 m horizontal distance travelled by dart X = 20 m vertical dis...

Q: (14 pt) The figure shows the velocity graph of a 60. kg passenger in an elevator. (a) Assuming a coo...

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Q: The answers of the following (i) scalar product and (ii) vector product of unit vectors is (i) Scala...

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Q: The resistance between terminals a and b in the figure below is 25 N. If the resistors labeled R hav...

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Q: • The element copper has naturally occurring isotopes of 63 (62.93amu) and 65 (64.93amu). With an av...

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Q: The limiting value of the average velocity in a small time interval when the time interval approache...

A: The limiting value of the average acceleration(a) in a small time interval(∆t) when the time interva...

Q: A ball attached to a string is moved at constant speed in a horizontal circular path. A target is lo...

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Q: Physics Subject A car is moving at uniform acceleration. Its velocity after traveling for 2 seconds...

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Q: A car of mass 980 kg coasts at a constant speed of 18 m/s over a circular hill of radius 250 m. What...

A: Given:  m = 980 kg v = 18 m/s r = 250m