1. If the acceleration of an object is zero, are no forces acting on it? Explain. 2. If an object is moving, is it possible for the net force acting on it to be zero?

Q: A sports car starts from rest and accelerates with a constant acceleration of 6.88 m/s² for 1.91 s.…

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Q: A straight horizontal copper rod carries a current of 35.0 A from west to east in a region between…

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Q: A wire that is 1.50 m long at 25°C is found to increase in length by 1.90 cm when warmed to 420°C.…

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

Q: 99. A glass block (n = 1.7) is submerged in an unknown liquid. A ray of light inside the block…

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Q: Consider two charges, QA and QB placed along a horizontal line and separated by distance a, as shown…

A: Given, Two opposite charges having magnitude, QA <QB

Q: When resistors 1 and 2 are connected in series, the equivalent resistance is 15.0 N. When they are…

A: Determine the net resistance in series. Determine the net resistance in parallel.

Q: In the figure, determine the character of the collision. The masses of the blocks, and the…

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Q: na certain region electric field of magnitude E oriented along x direction is observed. Electric…

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Q: Based on the data in Table 1. prove that the value of e is very close to the well-established value…

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Q: A car accelerates from 10 m/s to 20m/s at a rate of 5 m/s?. How far does the car travel while…

A: Given: Final velocity (V) = 20 m/s  Initial velocity (V) = 10 m/s  Acceleration (a) = 5 m/s2

Q: Three liters of hydrogen at -20°? are allowed to warm to a room temperature of 27°?. What is the…

A: GivenV1=3 LT1=-20°CT2=27°C

Q: An automobile moving at a constant velocity of 15m/s passes a gasoline station.Two seconds…

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Q: The charges and coordinates of two charged particles held fixed in an xy plane are 91 - 2.02 µC, x1…

A: a) Determine the distance between q1 and q2. Determine the magnitude of the force on q2 due to q1.

Q: 3. A parallel plate capacitor is made up of two plates, each having an area of 8.0x10- m and…

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Q: When the car (a) went up the inclined plane and (b) went down the inclined plane, determine the work…

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Q: When the Sun becomes a red giant, it's luminosity will be 2000 times its current value. The solar…

A: Let present solar flux at Earth be Fp When sun becomes red giant, solar flux be F2000=2000 Fp…

Q: 1. Standing waves of frequency 52 Hz are produced on a string that has a mass per unit length 0.015…

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

Q: An object is placed in front of a convex mirror with a 25.0-cm radius of curvature. A virtual image…

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Q: In a movie, the FBI is investigating an assassination attempt on the life of the president. The…

A: time taken to cover the last 12 m = 0.38 sec

Q: Light of wavelength 613.0 nm is incident on a narrow slit. The diffraction pattern is viewed on a…

A: Given data as per question wavelength   =   613nm n  =  4 D  =   81.5cm

Q: Find 11, 12, 13 in the circuit. 6V

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Q: Spheres A, B, and C have charges +18.0 C, –6.0 C and +12.0 C respectively. Spheres A and B touched…

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Q: A conducting cable of length 23.5 m and radius 0.500 mm is connected to the battery providing…

A: Given data:  Length (L) = 23.5 m Radius (r) = 0.500 mm Potential difference (V) = 2.3 V Resistivity…

Q: Problem 6: A uniform rod of mass M and length L is free to swing back and forth by pivoting a…

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Q: Solve

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Q: A girl on top of a building drops a baseball from rest at the same moment a boy below throws a golf…

A: 3.969m far will the baseball have dropped when it passes the golf ball. So your answer is 3.969m.

Q: The force of gravity is twice as great on a 2.0-kg rock as on a 1.0-kg rock. Why does the 2.0-kg…

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Q: [19] Three vectors are given by i-6i, -9j, and c-(-3i+4j). (a) Find the magnitude and direction of…

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

Q: What is the current phase angle for a parallel RLC circuit when IL = 15.3 A, IC = 0.43 A, and IR =…

A: What is the current phase angle for a parallel RLC circuit when IL = 15.3 A, IC = 0.43 A, and IR =…

Q: 5. A projectile is fired with a muzzle velocity of 300 m/s from a gun aimed upward at an angle of…

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Q: 6. A 750 kg car is moving forward at a constant speed. The coefficient of friction between its…

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Q: 2.6-m length of horizontal wire carries a 4 current toward the south. The dip angle of the Earth's…

A: Length of horizontal wire, L = 2.6 m Current, I = 4.5 A Angle of dip, θ = 41° Earth's magnetic…

Q: Two vectors have a dot product of 7 m² and a cross product of magnitude 4.95 m². What is the angle…

A: Let A and B are the two vectors.

Q: Part A You connect a battery, resistor, and capacitor as in (Figure 1), where R = 14.0 N and C =…

A: Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for…

Q: A 1.80-cm-high object is placed 20.0 cm in front of a concave mirror with a 5.00-cm focal length.…

A: Given, height of an object, ho = 1.80 cm distance fro concave mirror, u = 20.0 cm Focal length of…

Q: Two blocks of the same mass move along the same line in opposite directions. The first block is…

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Q: Which of the following statements best describe the second law of thermodynamics? a) The total…

A: As we know that the entropy of the system increase in all irreversible process. This is known as the…

Q: . Daniel's eyes are 1.82 m from the floor when he is wearing his dress shoes, and the top of his…

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Q: A transverse periodic wave described by the expression y = sin (where y and x are in meters and t is…

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Q: Find the speed of sound in air at an altitude of 15.000 ft * Your answer

A: Sound waves are longitudinal waves. The particles oscillate in direction along propagation of wave.…

Q: Jan and Len throw identical rocks off a tall building at the same time. The ground near the building…

A: Given : speed of Jan rocks = u m/s Speed of Len rocks = 2u m/s Angle Len throw rock = 30° Height of…

Q: Question 14 In a pendulum experiment, the pendulum moves from one side to the other side in 0.8…

A: As per the answering guidelines we will solve only first problem. Please upload the other problem…

Q: Calculate the current if 2.5C of charge passes through a point over 7.5s.

A: Given data:   Charge (Q) = 2.5 C Time (t) = 7.5 s Required: Current (I)

Q: A garden hose is used to fill a bucket in 2 min. If you cover part of the nozzle so that the speed…

A: time taken by a garden hose to fill a bucket = 2 min let the initial speed = v let the initial area…

Q: From your graph find the specific charge,K, of copper ions by calculating the slope.

A: Given: From the table Amount of Charge (Q,  units C) Mass Deposited (Mcu, units kg)  480 0.09…

Q: An automobile traveling at the rate of 20 m/s is approaching an intersection. When the automobile is…

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Q: In the figure the current in resistance 6 is ig = 1.46 A and the resistances are R1 = R2 = R3 = 1.68…

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Q: 10.0 N 20.0 N ww- 60.0 N -ww- 60.0 N 2.00 A 30.0 0 ww 5.0 Ω -5.0 V 10.0 V 15.0 N E 5.00 w - ww 20.0…

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Q: Problem 4: A mass m at the end of a spring of spring constant k is undergoing simple harmonic…

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Q: building has become accidentally contaminated with radioactivity. The longest-lived material in the…

A: Answer is 1685.2 years

Newton's First Law of Motion

If a very smooth ball is rolled down an inclined surface with zero friction, the ball will continue to roll indefinitely for an infinite time, in an attempt to reach to the same height on the opposite hill!