A 1200 kg car is travelling at 25 m/s and hits a wall. If the wall applies 45,000 N of force to the car, how long does it take the car to come to a stop?

Q: 31. A solid ball with 0.5 meters radius has 10 µC electric charge in its center. Determine the elect...

A: Charge enclosed (Q) =10μCRadius of the ball (r) = 0.5 m

Q: Townd 9 45 -m radius curve at 15 mls The magnitade Car acceleration in mls? ?

A: The given data:   The circular radius R = 45 m The velocity of the car, v = 15 m/s

Q: You drop a 2.20 kg book to a friend who stands on the ground at distance D = 11.0 m below. Your frie...

A:

Q: A roller coaster starts from rest at point A. The mass of the cart with riders is 900 kg. The motor ...

A: We know that the potential energy is given as  P.E = mgh  where m is the mass.  g is the acceleratio...

Q: A bullet (c = 128 J/kg °C) is moving at 300 m/s enters a block of ice and stops. By what will be the...

A: Given Speed v = 300 m/s Energy E = 90 J Specific heat = c = 128 J/kg o C 

Q: 1. What is the magnetic field at P due to the current I in the wire shown? b. a Write your answer in...

A:

Q: Question #: 19 An object of mass 2.0 kg moves in the north direction on a level ground. One of the f...

A:

Q: Find the value of work done. if force applied ie clix flbice tHe object by 2m? 8N Dthe which

A: Applied force (F) = 8 N  Displacement (d) = 2 m

Q: a 500 W appliance used for 2 h a 1000 W APPLIANCE used for 1 h appliances (a) and (b) connected in p...

A: if P is the power of the appliance   E  is the energy used by the appliance, therefore E = P*t  wher...

Q: Please draw diagram The electric field at a distance of 0.35 m from a very long line charge is 1250...

A:

Q: Advantages of optical fibre communications over two wire transmission line or co-axial cable transmi...

A: Optical fibres use light to transmit information between two points. The two wire transmission line ...

Q: 19. If the charge in a conductor is 32-C and the area of cross section is 4-m^2. Calculate the elect...

A: Given data :- Charge q = 32 C Cross-sectional area A = 4 m2

Q: In a two-dimensional tug-of-war, Alex, Betty, and Charles pull horizontally on an automobile tire at...

A:

Q: A 120 kg block is pulled at a constant speed of 8.0 m/s across a horizontal floor by an applied forc...

A: mass of block = m = 120 kg speed = V = 8 m/s applied force = F = 126 N angle = 18 degrees

Q: 2. The potential difference between two parallel plates of a condenser which are 0.4 cm apart is 450...

A: Given: The potential difference between plates is 450 V. The separation between plates is 0.4 cm.

Q: A 73kg runner starts walking at 3.4 m/s [E] and begins to speed up for 6.0 s, reaching a final veloc...

A:

Q: If magnetic coils are powered by AC, why don’t their contacts open and close 120 times per second?

A: Shading coils are present in it. Shading coils are closed loops of electrically conductive material ...

Q: The 15-pound block A is moving downward at a speed of 7 feet per second at any given time. 3 seconds...

A: First, we need to note that since the string of pulley near A is attached to the wall, any movement ...

Q: 4. lim 6x + 12 x- Note* the sign is negative -1/2 5. lim -8x + 4 x-8

A:

Q: In what situation is it better to use Coulomb's Law or Gauss' Law? How is Gauss’ Law related to Coul...

A: Coulomb’s law help to calculate force between two particle hence to define electric field. If there ...

Q: Miguel, the 72.0 kg bullfighter, runs toward an angry bull at a speed of 4.00 m/s. The 550. kg bull ...

A:

Q: 9.) Given fhece vectors : = (3.9) Î tE3.D; + C2) R 3= (-8.5) Î + (a)? + (42) k ヌ: find fhe value q t...

A:

Q: Advantages of optical fibre communi transmission line or co-axial cable transmission ared (a) low ba...

A: An optical fiber cable is collection of thin glass fibers that transmit information as light pulses ...

Q: A weightlifter picks up a 826 N weight and picks it up to a height of 1.4 meters. It takes him 1.2 s...

A:

Q: Q1/ If H= U+ PV, find the relations between G and FH.

A: Write the given expression for enthalpy. H=U+PV  

Q: Evaluate PB dT for each of the cases shown in the accompanying figure. 2 A 5 A 6 A 2 A (a) (b) 2 A З...

A:

Q: A copper wire of length 3 m and 1 mm diameter is subjected to a tension of 5 N. Calculate the elonga...

A: Length = 3 m diameter = 1mm radius = 0.5 mm tension = 5 N Young's modulus of copper = 11×1010 Pa   

Q: .Accelerationr. Rate of Change of Velocity. Determine the average acceleration during braking of a c...

A: Given data:  Initial velocity (Vi) = 28 m/s Final velocity (Vf) = 0 m/s Time (t) = 4.0 s Required: A...

Q: 2.58 The surface tension of a liquid is being measured with a ring as shown in Fig. 2.6d. The ring h...

A:

Q: 1) The position (x) of an object is described with respect to time (t) by the following equation: x ...

A:

Q: In the figure, a 3.9 kg block slides along a track from one level to a higher level after passing th...

A:

Q: An electron traveling horizontally from North to South enters a region where a uniform electric fiel...

A: Given: The electron moves horizontally from North to South. The direction of the electric field dire...

Q: A block of mass m1 = 3.59 kg on a frictionless plane inclined at angle 0 = 32.4° is connected by a c...

A: Given, m1 = 3.59 kgm2 = 2.37 kgθ = 32.4°

Q: A particle moves along a straight line with a velocity in millimeters per second given by v = 348 - ...

A: Find net displacement using integration of velocity with time. For total distance D traveled we need...

Q: For each circuit, find the values of the currents and voltage in each resistor. Place all the units ...

A:

Q: 2.45 A pressure of 2 x 10° N/m2 is applied to a mass of water that initially filled a 2000 cm volume...

A:

Q: A 6-m long ladder has a mass of 1Q kg, and its center of gravity is 2.4 m from the bottom along the ...

A:

Q: 3. A 3.2 kg box on an incline plane is push from the top and travels down with the initial speed of ...

A: Given Mass m = 3.2 kg Initial velocity u = 9.8 m/s Length of inclined = 5 m Angle of inclination = 3...

Q: A sphere of mass 5.8 x 104 kg is suspended from a cord. A steady horizontal breeze pushes the sphere...

A:

Q: 16. Kathy is changing the tire of her car on a steep hill 20.0 m high. She trips and drops the 10.0 ...

A: Given data: The mass of tire is m=20 kg. The height of hill is H=20 m. The initial speed of tire is...

Q: What is the escape velocity for an Oxygen molecule on the planet Venus? What is the escape velocity ...

A: The equation for escape velocity  of Venus is  Ve=(2GM/R)1/2 where G = gravitational constant =6.67 ...

Q: 1. Katie, a 30.0 kg child, climbs a tree to rescue her cat who is afraid to jump 8.0 m to the groun...

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

Q: What is the net flux of area 1 and 2 ?

A:

Q: Mass=2 kg Acceleartion=4 m/s2 Determine the force required to produce acceleration

A:

Q: :V2 10 V :V = 24 V R2 = 6N R3 = 42

A:

Q: Estimate the time constant from the average half-life.

A:

Q: A bullet (c = 128 J/kg °C ) is moving at 300 m/s enters a block of ice and stops. By what will be th...

A:

Q: Two blocks each of mass m 5 kg each are attached to the top of an elevator as in the figure below. I...

A:

Q: 6. The radius of the central wire of a Geiger counter is (a – 200 µm) and the radius of the hollow c...

A: potential difference due to infinite wire: V=∫r1r2λ2πε0rdr=λ2πε0lnr2r1

Q: A car with mass of 1300 kg accelerates from rest to 100 km/hr. in a distance of 200 m. Find the aver...

A: As per Bartleby rules, we can only answer one question or three subparts of a question. As there is ...