What happens when the speed of a moving object is halved? its momentum is halved its KE is halved its PE is halved O its rest energy is halved X

Q: How much distance did he travel?

A: Given. Boy travels with an average speed,  ⇒ 15 m/sIt take time to travels at,  Time,t= 25 minFind…

Q: initial velocity - 25 km/h final velocity - 1200 km/h time - 2 min what is the acceleration

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Q: 1. A Ferris wheel with a diameter of 36.0 m starts from rest and achieves it maximum operational…

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Q: What is the y-component of the net Force (F= F₁+F2) measured in N? F=18N K 30% 50 F=30N X

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Q: An iron block weighs 5N and has a volume of 200 cm3. What is the density of the block in kg/m3

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Q: b. kg/m³

A: Given data,  Density of air=1.29 g/ltr Express it in:  a. g/cm3  b. kg/m3

Q: What can you say about te motion of an

A: Given data.  Speed time graph is a straigh line parallel to the time axis. Explain the motion of an…

Q: 2. A dentist causes the bit of a high-speed drill to accelerate from an angular speed of 1.35 × 104…

A: Initial angular speed, ωi = 1.35 * 104 rad/s Final angular speed, ωf = 3.65 * 104 rad/s Distance of…

Q: Graph and identify the resultant vectors and measures of an angle. 1. G= 15 M, EAST H = 12 M, NORTH…

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Q: A 0.45 kg tetherball is attached to a pole and rotating in a horizontal circle of radius r₁ = 1.4 m…

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Q: The number of the electric field ines, between two charged particles, is proportional to the amount…

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Q: Question 3: A charge +q is placed at one of the vertices of a cube. To find the flux through one of…

A: in this question we determine flux simple equation.

Q: A trolley, while going down an inclined plane, has an acceleration of 2 cm/s2. What will be its…

A: Data provided:  Acceleration (a) = 2 cm/s2 Time (t) = 3 s Initial velocity (u) = 0 Required: Final…

Q: A 11.4-kg object hangs in equilibrium from a string with a total length of 5.60 m and a linear mass…

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Q: A car moving with an initial speed v collides with a second stationary car that is one-half as…

A: in this question we determine answer by conservation law of energy initially and finally.

Q: A block (4 kg) starts from rest and slides down a frictionless ramp #1 of height 9 m. The block then…

A: Since you have posted multiple parts we will solve the first three parts for you, kindly post the…

Q: Give an example in which there are clear distinctions among distance traveled, displacement, and…

A: Distance traveled by an object is a scalar quantity. That is it has only magnitude. Displacement is…

Q: Determine the (f_y) of Hypotenuse aright triangle when (F=100 lb, X=3, Y=4) .A 79lb .B 80lb .C 80 .D…

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Q: what will be his.

A: Given. Weight of a body of mass 8 kg on moon is 30 NIf a boy of mass 20 kg goes from earth to the…

Q: Two trains are traveling toward each other at 30.5 m/s relative to the ground. One train is blowing…

A: In this question we have to find the frequencies for different conditions. Please give positive…

Q: How much charge will flow through a 200-ohm galvanometer connected to a 400-ohm circular coil of…

A: Induced emf is given as  e =dϕRdt=R = resistance

Q: The charge entering a certain element is shown in Fig. 1.23. Find the current at: (a) t = 1 ms (b) t…

A: Current is the rate of charge flow (dq) per unit time. So,  i =dqdt If charge v/s time graph is…

Q: 3. A 130 kg uniform beam is attached to a vertical wall at one end and is supported by a cable at…

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Q: What is the critical angle for total internal reflection for light entering a certain medium (n = 3)…

A: Light is entering a certain medium having a refractive index n1 = 3 from the air which has a…

Q: What will be the potential energy 4kg mass kept at height of 3.2 m. Take g = 10 m/s²

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Q: SHOW COMPLETE SOLUTION Resolve the 500 N into: y 209 30° 30° 500 N X 1x and y components 2 x and y'…

A: The force system is shown below.

Q: original length of 5cm. The string is bulled by a 70 N force. If the final ength of the spring is…

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Q: A square loop of each side as 'a' and a circular loop with the diameter of length 'a' lie in the…

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Q: The initial pressure and volume are 80 kPa and 0.35 m3, respectively. The final pressure and volume…

A: Given  initial pressure (P1)=80 kPa initial volume (V1)=0.35 m3 final pressure (P2)=170 kPa final…

Q: Two secondary coils are identical in every respect except that one is wound with copper wire and the…

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

Q: located as shown in the below graph, where a = 0.02 [m] and b = 0.023 [m]. Consider the following…

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Q: A racing car has a uniform acceleration of 24 m/s². What distance will it cover in 4 s after the…

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Q: Express it in,

A: Given data;  Density of iron is= 1.49 g/ltrExpress it in: a. g/cm3 b. kg/m3

Q: A cyclist travels a distance of 2 km in the first hour, 0.6 km in the second hour and 0.2 km in the…

A: Given, A cyclist travels a distance of 2 km in the first hour, 0.6 km in the second hour and 0.2 km…

Q: A body does 46 Joules of work in 5 seconds. Calculate the power?

A: Introduction :  In this question we are provided it value of time taken and work done . With these…

Q: What is the linear momentum of a 400 kg giraffe galloping at 5 m/s

A: Solution: Given: m = mass of giraffe = 400 kg v = linear speed of giraffe = 5 m/s p = linear…

Q: You push a 80-kg file cabinet to the right on a frictionless horizontal surface with a force of 175…

A: Given   mass(m)=80 kg force(F)=175 N displacement(x)=12 m required final velocity

Q: Two charges q₁ and 92 are placed to either end of the hypotenuse of a right triangle, with a = 5…

A: in this  question  we discuss  about electric field  and it's x and y components .

Q: the moment of inertia.

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Q: a man walking at a steady pace of 0.5 m/s at 10 m away from a 48 m tall building saw a ball drop…

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Q: Suppose that a golf ball is launched with a speed of 200.0 m/s at an angle of 57.5° above the…

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Q: Draw a diagram to show the reflection

A: Given, Reflection of a light ray incident normally on a plane mirror,  Explain with figure.

Q: The figure shows the velocity-versus-time graph for a motorcycle moving along the x-axis. v (m/s) 8…

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Q: Find how far the train will go

A: Given data.  A train is travelling at a, speed=90 km h-1Brakes are applied so as to produce a,…

Q: In a murder investigation, the temperature of the corpse was 32.5°C at 1:30 p.m. and 30.6°C an hour…

A: Let t=0 hr be 1:30 p.m. Let T(t) be body temperature at time t. Given:T(0) = 32.5°CT(1) =…

Q: An object is placed halfway between a planar (flat) mirror and a diverging lens with a focal length…

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

Q: Question 1: An insulated solid sphere of radius R has a uniform charge density A. Compute the…

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Q: SOLUTION IS NEEDED. You are to design a device that will conduct 250 J/s from a hot furnace of…

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Q: A truck travels 65 km in first hour and 78 km in second hour. What is average speed of truck?

A: Given data:  Distance traveled in first hour = 65 km Distance traveled in second hour = 78 km…

Q: Calculate the momentum of a car having mass 3.6 kg moving with a velocity 1.5 m/s.

A: Introduction :   In this question we are provided it value of mass and velocity . With these data we…