(II) A car drives straight down toward the bottom of a valley and the other side on a road whose bottom has a radius of up curvature of 115 m. At the very bottom, the normal force on the driver is twice his weight. At what speed was the car traveling?

Q: 2. Four unequal resistors are connected in series with each other. Which one of the following…

A: Given:-  Four unequal resistors are connected in series with each other. Which one of the following…

Q: Four unequal resistors are connected in a parallel with each other. Which one of the foll owing…

A: A shunt circuit is defined together where all components are connected between an equivalent set of…

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A:

Q: (b) the wave speed. 45. V A harmonic wave is traveling along a rope. It is observed that the…

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Q: 12-126. If the car passes point A with a speed of 20 m/s and begins to increase its speed at a…

A: Given: speed of car at A = 20 m/s acceleration at=0.5 m/s2 y=16-1625x2 we have to find acceleration…

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Q: 2. A light travels and strikes a mirror at 400. What is the angle of reflection? a. 100 b. 200 с.…

A: 2) Given: Here, θi is the incidence angle.

Q: 8. The storage battery of a car has an emf of 12 V. If the internal resistance of the battery is…

A:

Q: 5. Below is a pulse in a light rope approaching a heavy rope. Sketch the two rope system just after…

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Q: 3,1,2

A: 3) Given that the kinetic energy of the is 75000 J and mass is 330 Kg  The formula used to calculate…

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Q: In a longitudinal wave, what is the area where molecules are "bunched" together called? What is a…

A: 5) in a longitudinal wave the point at which molecules are bunched to geteher  is called…

Q: Check all all true statements in terms of Velocity and Speed 素 Units don't matter in final answer…

A: Given Select the correct statement from the following about speed and velocity

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Q: What is the acceleration of a person who goes from 4.3 m/s to rest in 2 seconds?

A: given: initial velocity u = 4.3 m/s final velocity v =0 m/s time = 2 sec

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Q: A string oscillates according to the equation y´ = (0.488 cm) sin[(1/3.0 cm-1)x] cos[(40.2 t s-1)t].…

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Q: When a system is taken from state i to state f along path iaf in the figure, Q = 50.2 cal and W =…

A: Given,          When the system is take from i to f state along iaf,        Q = 50.2 cal,        W =…

Q: number 4

A:

Q: We have two waves -2.79 sin(k x - v t) and 1.5 cos(k x - v t) which add together to make a new…

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Q: 3. If one of the masses is tripled, how does the gravity change? If the din Ruitu ohange?

A:

Q: 3. An open tank contains brine to a depth of brine is 1,030 kg/m³ and density of oil is 880 kg/m².…

A: Given:- Brine depth  = 2.0 m  oil on top of the brine = 3 m  density of brine = 1030 kg/m3  density…

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A: The SI unit for mass is kilogram therefore the relation between gram and kilogram is given as, 1 kg…

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A: Required : The magnitude of the electric field at the center.

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Q: Use Newton's Second Law to determine an equation for the horizontal acceleration of the system (the…

A: Given data, Combined mass of the system = MT+ml Force on the system = FD,R

Q: 8. A light bulb operating at 110 V draws 1.40 A of current. a) What is the resistance of the light…

A: given , Voltage , V= 110 V current , I =1.40 A

Q: *44. The drawing shows a large cube (mass = 25 kg) being accelerated across a horizontal…

A: Given values: Mass of the large block, M=25 kg Mass of small block, m=4.0 kg Coefficient of static…

Q: 8. A 50 kg ice skater sp making 2.5 turns eac measurements indica What horizontal for

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A: Potential energy : It is the energy held by an object because of its position relative to other…

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Q: 3. Refer back to Figure 8.1. For which types of electromagnetic radiation is the atmosphere of the…

A: Required : For which type of electromagnetic radiation, is the atmosphere of the Earth completely…

Q: Step 2. Refer back to Figure 8.1. For which types of electromagnetic radiation is the atmosphere of…

A: For which type of the electromagnetic radiation is the atmosphere of the Earth totally opaque.

Q: What would be the path of the Moon if somehow all gravitational forces on it vanished to zero?

A:

Special Relativity

The theory of special relativity discusses how space and time are related to objects traveling along a straight line at a constant speed. Simply stated, as an object reaches the speed of light, its mass becomes infinite and it is unable to move faster than light. This interstellar speed limit has been the topic of much debate in astronomy, and also in science fiction when people consider how to fly over large distances.