A train is accelerating at a rate of 3 m/s. If its initial velocity is 15 m/s, what is its velocity after 30 seconds?

Q: The three charges in the figure below are at the vertices of an isosceles triangle. Let q = 8.50 nC…

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Q: 3. The electric potential at point P midway between the two point charges shown below is a Volts.…

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Q: 3. A STEEL TAPE IS EXACTLY 1 METER AT O DEGREE CELSIUS. BY HOW MUCH BE IN ERROR WHEN USED ON A DAY…

A: Given data:  A steel tape  Original Length (L0) = 1 m Initial temperature (T0) = 0°C Final…

Q: What was the current drawn by the lamp at the moment of switching?

A: The bulb is operated at a voltage 12 volt  It draws 0.5 A current at 400 C  Resistance of the bulb…

Q: Figure ov 0m 10 V 20 V 2 m 30 V 3 m 1 of 1 40 V Part A What is the strength of the field at point 1…

A: given         potential at 0 m =  0 v        potential at 1 m = 10 v        potential increasing…

Q: Each shot of the laser gun most favored by Rosa the Closer, the intrepid vigilante of the lawless…

A: Given, Capacitance C=1.39 F Voltage, V=75.7 kV=75.7×103 V Initial dielectric constant k1=463 New…

Q: A pyramid has a square base with an area of 7.50 m² and a height of 3.5 m. Its walls are four…

A: Given, Electric field (E)= 850N/C  Area of square base (A) 7.50m2

Q: An initially motionless test car is accelerated uniformly to 120 km/h in 8.38 s before striking a…

A: Apply the first kinematic equation before the collision to determine the magnitude of the…

Q: In the following Figure capacitor values are C₁-C₂ =4.0 μF, C3-5.0 μF, and the battery voltage is…

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Q: If a drag racing motorcyclist has an initial speed of 10 m/s, and then he/she accelerates for 15…

A: Given: The initial speed of the motorcycle is 10 m/s. The acceleration is 15 m/s2. The time interval…

Q: A motorcycle racer traveling at 175 km/h loses control in a corner of the track and slides across…

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Q: d) Find an expression for the train's acceleration vector as a function of time. Is it consistent…

A: Given, position vector as  r→(t) = Rcos(ωt)i^ + Rsin(ωt)j^ , ω is constant. acceleration vector =…

Q: A 4-kg particle is acted upon by four forces of magnitudes F₁ = 10 N, F₂ = 40 N, F3 = 5 N and F₁ = 2…

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Q: uniform board of length 14 m weighing 250 N is supported by ropes at each end. A boy weighing 600 N…

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Q: . A resistor operated at 120 V DC is rated at 1.40 kW. a) What is the normal operating current…

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Q: In April 1974, Steve Prefontaine completed a 10.0 km race in a time of 27 min, 43.6 s. Suppose "Pre"…

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Q: Q.25: Volume of a gold Crown is measured to be 40.0cm'. The density of gold is 19.32gm/cm³. What is…

A: Given data : Volume of gold crown is represented by V Density of gold is represented by ρ   Required…

Q: What is the net force needed to accelerate a 10-kg object at the acceleration of 2 m/s²?

A: In the following problem, we have mass of an object, m=10 kg Acceleration, a=2 m/s2

Q: A particle moving with rectilinear motion starts from rest and is given a constant acceleration of 4…

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Q: test car carrying a crash test dummy accelerates from 0 to 30 m/s and then crashes into a brick…

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Q: The value of g (acceleration due to gravity) at some location is 980cm/s². Convert this value to…

A: Given data : Acceleration due to gravity is represented by g   Required : Convert cm/s2 to m/s2

Q: An uncharged capacitor and a resistor are connected in series to a source of emf. If & = 7.00 V, C =…

A: Given data: The capacitor C=22 μF=22×10-6 F The resistor, R=100 Ω ε=7 V

Q: A particle moves along a straight line with a velocity in millimeters per second given by v-372-15t²…

A: Distance is the length of the path of a moving object. Displacement is the shortest distance between…

Q: Classes are canceled due to snow, so you take advantage of the extra time to conduct some physics…

A: Given Initial velocity of the rocket is v0=0 Acceleration before the engine shuts off is a1=13.5…

Q: Answer the relationship of the following electrical values: Resistance and current Electrical power…

A: To find: Relationships of the given electrical values. 1)Resistance (R) and current (I) From ohm's…

Q: You drop a large rock off of a tall cliff from rest. If the rock accelerates to 30 m/s in three…

A: Given data:  Initial velocity (u) = 0 m/s Final velocity (v) = 30 m/s Time (t) = 3 s Required: The…

Q: Calculate the inductance of the solenoid if it contains 800 turns, its length is 80.0 cm, and its…

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Q: 1. An ultraviolet photon has a frequency equal to 2.41 x 10¹5 Hz. www. a. What is its wavelength?…

A: Given data:   A ultraviolet photon  Frequency (f) = 2.41×1015 Hz Required: The wavelength (λ) and…

Q: An Olympic runner competing in the marathon finishes with a time of 2 hours, 23 minutes, and 45…

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Q: A 3.000 kg ball is pitched with a kinetic energy of 20.00 Joules. Then the momentum of the ball is A…

A: Given data:  Mass (m) = 3.000 kg Kinetic Energy (KE) = 20.00 J Required: The momentum of the ball…

Q: Consider an object sliding down a frictionless ramp that is inclined an angle above the horizontal.…

A: Given the diagram with FBD,

Q: Calculate the displacement and velocity at times of (a) 0.500, (b) 1.00s, (c) 1.50s, and (d) 2.00s…

A: The free fall motion of an object is the motion under the influence of acceleration due to gravity.…

Q: Calculate the total inductance:

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Q: On an alien world, they measure distance in fleeps and time in florps. If 1.6 fleep =1 m and 5.2…

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Q: Show the FBD of the beam with complete and correct labels of all forces and moment arms.(b) How much…

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Q: The value of g (acceleration due to gravity) at some location is 980cm/s². Convert this value to…

A: Given Data, Acceleration due to gravity is (g)=980 cm/s2

Q: Two vectors are given by A = 3 î + 6 ĵ and B = -1 î + ĵ.  Find A x B Find the angle between A and B

A: Given value--- Two vectors are given by A = 3 î + 6 ĵ and B = -1 î + ĵ.  We have to find--- Find…

Q: The actual average Earth–Moon distance is about 384,000 kilometers, and Earth’s diameter is about…

A: Given  a 3 inch diameter ball to represent the Earth and a 1 inch diameter ball to represent the…

Q: The value of g (acceleration due to gravity) at some location is 980cm/s². Convert this value to…

A: Given data:  The value of acceleration due to gravity g = 980 cm/s2 Required: The value of g in m/s2

Q: the wavelength of a wave refers to the length of the repeating pattern of crests and troughs long…

A: Rationale: Remember my dear student that wavelength is inversely proportional to frequency and wave…

Q: A 10 cm long solenoid with 860 turns and radius R = 3.0 cm has a 200 mA current flowing through it.…

A: Given value--- length = 10 cm. number of turns = 860 . radius = 3 cm. current = 200 mA. We have to…

Q: Do you know Niels Bohr's assumptions that his theory is based on? Do you know examples from your…

A: We need to explain Niels Bohr's assumptions.

Q: CONCEPTUAL EXAMPLE 22-9 Conductor with charge inside a cavity. Suppose a conductor carries a net…

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Q: A lab tech builds a circuit as shown in the figure. Find the following. (Assume C₁ = 33.0 μF and C₂…

A: according to question we need to find charge and voltage across each capacitor.

Q: A 12uc charge is placed at the origin. A second -8.0uc is placed 1.0m to the right at the first. A…

A: Given data: The charge,q1=12 μC=12×10-6 C The charge, q2=-8.0 μC=-8×10-6 C The charge, q3=6.0…

Q: Q4.:Block A in Fig 2 weighs 50 N and block B weighs 35 N. The blocks are connected by a flexible…

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Q: a) Calculate the net work done by the gas. kJ (b) Calculate the energy added to the gas by heat. kJ…

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

Q: A celebrating the first physics test of the semester student throws a water balloon horizontally…

A: given-           Vertical Distance from ground = 50 m          Horizontal Distance from building =…

Q: A 2.36 kg ball is attached to an unknown spring and allowed to oscillate. The figure (Figure 1)…

A: Given data:  A spring-mass system The graph of wave motion  Mass (m) = 2.36 kg Required: The period…

Q: 8. For relativistic speeds, to whom does an object seem longer in length? O an observer moving with…

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