2. An object is swung in a horizontal circle. If it starts at position zero (0 rad), has an acceleration of 3.5 rad/s², and swings for 3.0 seconds, how far around the circle does it travel?

Q: O RATIONAL EXPRESSIONS 1/5 Solving a distance, rate, time problem using a rational equation A…

A:

Q: If acceleration due to gravity is 12 m/s², what will be the potential energy of a body of mass 2 kg…

A: acceleration due to gravity (g) = 12 ms2mass (m) = 2 kg Initial height (h) = 4 m

Q: Ed, Edd and Eddy love to play on a seesaw. It consists of a 1-kg board with a length of 8 meters.…

A: Mass=40kg

Q: A 793-g quantity of a substance is at its melting point of -109.7°C in the lic state. The heat of…

A: Givenm=793 g=0.793 kgT=-109.7°C=-109.7+273=163.3 KLf=1.36×105  J/kgM=32.0 g/molR=8.314 J/mol K

Q: 9. The following are factors involved in the induced emf of a coil of wire EXCEPT A. The induced emf…

A: The induced EMF is defined as the generation of a voltage or potential difference in a coil due to a…

Q: A string vibrates 10 times every second. What is the frequency of the vibration? A) 10 Hz B) 1/10 Hz…

A:

Q: A lead cube has a total mass of 77.8 kg. Solve for the length its side in cm. Assume SG to be 11.33.…

A:

Q: >) A child does 8.97 x 10² J of work in pulling a sleigh 45.3 m along a snowy horizontal surface.…

A:

Q: Figure 2 shows the directions of the speed v with which a positive charge moves and of the magnetic…

A: Given : Direction of velocity of positive charge is inside the plane Direction of Magnetic field is…

Q: What is the frequency of the photon emitted by a hydrogen atom when its electron drops from the n =…

A:

Q: Light of frequency 9.62 x 1014 Hz (312 nm) strikes a surface of calcium (Wo = 2.90 eV). How much…

A:

Q: Two distinct systems have the same amount of stored internal energy. Assume 500 J are added by heat…

A: the change in internal energy of the first system if it does 200 J of work is 300J the second system…

Q: Which conservation law is violated in the strong nuclear reaction π− + p → Σ+ + K−

A:

Q: For this circuit, complete the VIRP chart. The numbering of the resistors is R1 = 30 Ohms, R2 = 20…

A:

Q: Suppose an electron (q=e= -1.6× 10-19 C,m=9.1 x 10-31 kg) is accelerated from rest through a…

A:

Q: An object on a spring: An object is attached at the end of a spring with no friction. The amplitude…

A:

Q: You charge a piece of aluminum foil (mass = 2.35 g) by touching it to a charged rod. The charged rod…

A: Given : Mass of aluminum foil = 2.35 g = 0.00235 kg Weight of aluminum foil  = 0.00235*g Weight of…

Q: 5. A projectile with an initial velocity of 180 km/h hits the ground 180 m away from the starting…

A: Given: Initial velocity (u) = 180 km/h or 50 m/s Horizontal Range (R)=180 m Total time of flight (t)…

Q: When an object falls freely under the influence of gravitythere is a net force mg exerted on it by…

A:

Q: & E R₁ www R₂ Parallel Series Connection Connection In the diagrams above, resistors R₁ and R₂ are…

A:

Q: Answer this question 10

A: An astronaut abourt the space shuttle orbiting the earth is considering to be weightless.

Q: An everage-sized asteroid located 2.6x 10 km from Earth with mass 1.5x 10 kg is detected headed…

A: Given The distance between asteroid and earth = 2.6 x 107 Km Mass of the asteroid = 1.5 x 10 13 kg…

Q: An asteroid has speed 17.5 km/s when it is located 2.40 AU from the sun. At its closest approach, it…

A: Given Data: The speed of the asteroid is: u=17.5 km/s The distance of that asteroid from the sun…

Q: Consider the following. a) Red blood cells often become charged and can be treated as point…

A:

Q: A solenoid has an inductance of 0.179-mH with 53 turns of wire. Suppose the cross-sectional area of…

A: Given DataL1=0.179mHN1=53A1A2=A12l2=2l1N2=2N1

Q: 5. A nurse (Fig. 6-4) pushes a patient on a cart 20.7 m down a hall with a constant speed of 0.88…

A: Work done = Force ,Fx Displacement S Force ,F exerted on the gurney,  F= W/S = 2000/20.7 = 96.62N…

Q: A +2C point charge enters a region of uniform magnetic field of 10T with a velocity of 5 m/s at an…

A: Moving charged particle represents equivalency to current, and thus it is affected by the magnetic…

Q: Calculate the momentum of a 938-MeV proton. Rest energy of proton is 938-MeV. A. 938 MeV/c B. 1876…

A:

Q: A circular coil of radius 2.5 cm has 27 turns of wire. It is placed in a magnetic field directed…

A:

Q: A 22.0 V battery moves 7.6 KC of charge. How much energy does the battery deliver? A 2.9 x 10-³ J B…

A:

Q: A steam fan in a thermal power plant has a moment of inertia of 3 kg ∙ m2 about its axis of…

A:

Q: Spring constant: For a spring and mass of 10g, the period is 1Osec and its velocity 2 sec after it…

A:

Q: A UHF television loop antenna has a diameter of 11 cm. The magnetic field of a TV signal is normal…

A: Given:- Diameter of the antenna is d=11 cm=11 cm×1 m100 cm=0.11 m Rate of change of magnetic field…

Q: Determine the half-life (in s) of a radioactive sample that has a decay rate of 5.60 x 10¹¹ Bq when…

A:

Q: A scuba diver is sitting on a boat while waiting to go on a dive and sees light reflected from the…

A: Given: Index of refraction of water, n=1.333 To determine angle of reflection for complete…

Q: Two waves have different frequencies but equal amplitudes. The one with higher frequency has the (a)…

A: The relation between the velocity, frequency and wavelength is given by…

Q: 1. Identify the isotope notation for the isotope of iodine that has 67 neutrons. O 134 531 O 125 671…

A:

Q: A 2kg block hits the spring with a speed of 4 m/s. Determine the total distance traveled by the…

A: Given Data: The mass of the block is: m=2 kg The speed of the block is: u=4 m/s The spring constant…

Q: If acceleration due to gravity is 12 m/s², what will be the potential energy of a body of mass 2 kg…

A: Given data :           Acceleration due to gravity     =    g               Body  of  mass    =…

Q: (a) If the pistol is fired horizontally at a height of 1.40 m, determine the time interval (in s)…

A:

Q: An object is dropped from a height of 40 meters. Calculate: a.) its final velocity as it hits the…

A:

Q: A pemdulum clock is moved from the Mississippi delta region to the rocky mountains. will the clock…

A: Given: pemdulum clock is moved from the Mississippi delta region to the rocky mountains. will the…

Q: As shown below, a 148 N block on a ramp is attached to a string that has a tension of 56 N. The…

A:

Q: toy gun operates by pushing a 0.15-kg plastic ball against a pring compressing it a distance of 8cm.…

A:

Q: A 1500kg sport car is moving westbound at 20m/s on a level road when it collided with a 4000kg truck…

A: the magnitude of the velocity of the two vehicles just after the collision is        5.45 m/s.

Q: A total of 7.9 x 10¹2 electrons move past a point in a wire every 1.45 s. What term best describes…

A:

Q: pha particles are projected toward a gold foil from a distance that is sufficiently large to…

A:

Q: Two wires of the same length are laid parallel in air d cm apart as shown in the figure. The wires…

A: Wire 1 attract the third wire as current is in same direction while wire 2 repel the third wire…

Q: brine solution with density of 1230 kg/m³ moves through a constricted pipe in steady, ideal flow. At…

A:

Q: A circular coil of 20 turns and radius 10 cm is placed n a uniform magnetic field of 0.10 T normal…

A: Torque is the rotational equivalent of linear force. Here, we calculate  the given as follow;