kindly answer this immediately thankyou -An automobile has a speed of 60 mi/h. When the brakes are applied, it slows to 15 mi/h in 4 second. What is its acceleration? how far does it travel during the fourth second? -A 1.5 ton automobile crashed into a wall at a speed of 10 mi/h. The car moved 5.00 in before being brought to rest. What was the average force exerted on the wall by the car. -A body slides down a frictionless plane and during the third second after starting from rest it travels 19.4 m. What is the angle of inclination of the plane?

Q: Calculate the impulse if the momentum change is -358 kg.m/s* a. 358 N.s b. -358 N.s c. 358 kg.m/s…

A: Force is the rate of change of momentum Force(F) =Pf-Pi/dt But impulse is the change in momentum. So…

Q: A parallel‑plate capacitor has a capacitance of 20 µF. What potential difference across the plates…

A: Given, Capacitance=20 µF Charge=7.2 × 10-4 C We have to find the potential difference across the…

Q: A box (mass = 100 g) is initially connected to a compressed (x = 80 cm) spring (? = 100 N/m) at…

A: According to work energy theorem, the work done y all the forces acting on a particle is equal to…

Q: how to get the I=67.4 if the P = 6 and V=7.4 the answer that i get is 44.4  How to get that 67.4…

A: Given : Power (P) = 6 W Voltage (V) = 7.4 V

Q: A potential difference of 24 V exists between two points in a circuit. What is the work done on a…

A: Given:- Potential difference between two points of the circuit is ∆V=24V Charge is q=1 C…

Q: 2) A crate of mass 20 kg is being pushed with a horizontal force of 63 N, moving with a constant…

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Q: A horizontal platform with a diameter of 6 m revolves about its center of 20 rpm. Find the…

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Q: d the change in entropy when 1.25 kg of steam at 100°C condenses and cools to 50°C.

A: Given:-  The mass of the stream is m = 1.25 kg The temperature of the steam is Ti = 100OC The steam…

Q: A missile is fired vertically upward with an acceleration of 20m/(s^2) for one minute and then runs…

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Q: PS Three Coplanar Charges Figure 2 F (net) F(1,3) F (2,3) Figure 1 4 m q2 - -3C q3 - +5C 3 m qi -…

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Q: A 10-kg block is attached to a very light horizontal spring on a smooth horizontal table. A force of…

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Q: Solve for Vo, i1, 12 & I (diodes are silicon) Vo Si 0.47K 20V- Ge SI 12 SI 0.47K

A: The cut in voltage for Germanium diode = 0.3 V Silicon diode = 0.7 V

Q: A small block of wood drops from the top of a 92.0-meter building. What is the magnitude of the…

A: Given: The initial velocity of the object is 0 m/s. The height of the building is 92 m.

Q: Find the maximum height h and horizontal range R (see Fig. 3.23) of a projectile launched with speed…

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Q: Suppose a ray strikes the left face of the prism at 45.0∘ as shown, but is totally internally…

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Q: Reset Hel he charge of the capacitor Since the capacitor stays connected to the battery, .…

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Q: 12 2 24 S 40 2 30 2 . 25.28 10 2 10 2

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Q: In the circuit shown, 3Ω b a. C 7 V 2 V + 5Ω + A9 |4 V Ω g + f Determine Vhe-

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Q: Determine the circuit's behavior for each of the following cases after S is again closed: i) The…

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Q: A spring has a natural length of 15 inches. A force of 10 Ibs. is required to keep it stretched 5…

A: Given, Natural length of spring ,L = 15 inches  Force required to stretch 5 inches is 10 lbs . So,…

Q: In a photoelectric effect experiment it is observed that no current flows when the wavelength of EM…

A: GivenNo current flows when wavelength of EM rediation is greater than 570 nmTo FindA. Calculate the…

Q: A bi-metallic strip is a strip with two pieces of: metal that expand the same amount when heated.…

A: Bi-metallic strip is the device that is used to convert temperature change into mechanical work.

Q: A charge A of +250 StatC is placed on a line between two charges B of +50 StatC and C of -300 StatC.…

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Q: 2. The current density in a copper wire of diameter 1.5 mm ig 1.5x 10° A/m2. The number of free…

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Q: At a World Cup soccer game, a fan blows a 0.75 m long horn which is an open air column. What are the…

A: Given:-  The length of the horn L = 0.75 m  The temperature in the stadium is T = 33.0oC +273 = 306…

Q: 3. Calculate the net torque about point O for the two forces applied. The rod and both forces are in…

A: Torque is given by  Torque, τ→ =r→×F→ =rFperpendicular

Q: ニ,9% Figure 10.6 2.4Sin 30 -2.4m B 30 06m ne radius of a 3.0 kg wheel is 6.0 cm. The wheel is…

A: Mass=3kg Angle=30 Distance=6m

Q: Coastal and Barbour structures   A wave train is observed approaching a coast that has straight…

A: Given, Distance=5m Wavelength=93

Q: student tries to help some local kids make a tire swing by throwing a rope over a branch, which is…

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Q: Calculate the electrical energy consumed in Joules if a toaster of 86 W is used 250 seconds ?

A: Given data:  Power (P) = 86 W Time (t) = 250 s Required: The electrical energy consumed (E)

Q: 8. What is the mass defect of a fission reaction that releases 2.9 x 10^11 J of energy?

A: energy released in a fission reaction (E) = 2.9×1011 Joules Let the mass defect = m

Q: Resistors of 20 Q, 20 Q and 30 Q are connected in parallel. What resistance must be added in series…

A: According to question we need to find--- Resistance,  which connect in series?  current?

Q: If a car travelling at 34 m/s is subjected to a steady deceleration of 4 m/s?, how long will it take…

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Q: The electric potential is constant throughout a given region of Is the electric field zero or…

A: Given in question - Electric potential(V) = constant Let us assume that constant is "C", then…

Q: Point PE h KE V A 500 kJ 220 kJ

A: mass = m = 750 kg mechanical energy = PE + KE = Constant

Q: How many calories of heat are needed to raise the temperature of 75g of water from 20 °C to 80 ° C.…

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Q: A man weighing 750N climbs a flight of stairs which is 5 meters high. How much work does he do?

A: Given data:  Weight (mg) = 750 N Height (h) = 5 m Required: The work done (W)

Q: The magnetic field 2 cm from a long, straight wire is 1 EXP -6 T. Thecurrent in the wire is (let…

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Q: A storage battery has an emf of 6.7 V and internal resistance of 0.50. Compute for the terminal…

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Q: It is the term used to describe the process of changing solid to gas without passing liquid state.…

A: This process is known as sublimation

Q: 2. A 500.0-g bird is flying horizontally at 2.25 m/s, not paying much attention, when it suddenly…

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Q: Water (density equal to 1000 kg/m³) flows through a system of pipes that goes up a step. The water…

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Q: 4. MILLIKAN EXPERIMENT. An oil drop with a mass of 3.1 x10-15kg absorbs 11 electrons, and then falls…

A: Given data: The mass of oil drop is m=3.1×10-15 kg. The number of electrons absorbed is n=11. The…

Q: 6.3 PQ equal to the rate of change of momentum, F = d(mv)/ dt. Tak- ing the derivative by parts…

A: Solution

Q: †1m 2 m 4 m he flat surface shown is submerged vertically in water. Find the fluid force against the…

A: Given, The flat surface shown is submerged vertically in water. ρ = 9810 N/m3 Height , h = 2m Area =…

Q: A conventional medical X-ray produces

A: ANS: c. two-dimensional

Q: A car moving at 30 km/hr skids to a stop in 15.0 m with locked brakes. How far will the car skid…

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Q: 14 0 182 6Ω 60V

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Q: 5. We can roughly model a gymnastic tumbler as a uniform solid cylinder of mass 75 kg and diameter…

A: Rotational kinetic energy is the kinetic energy due to the rotation of an object. A rolling object…

Q: Why 2200 m/s was changed to 22 W ? Can't we solve with using the 2200 m/s?

A:

Newton's Second Law

Newton’s laws of motion describe the relationship between the motion of an object and forces acting on it. Newton’s law of motion has two types as follows: