Q: Newtons' law of motions apply to speed greater than or equal to the speed of light. True or false?
A: False. It is not possible for any matter or object to travel with speed of light. There is a…
Q: Mass of a body is 10 kg, What is it's weight?
A: Given data : Acceleration due to gravity = g Mass of the body…
Q: A certain brand of hotdog cooker works by applying a potential difference of 147 V across opposite…
A:
Q: An object is initially moving at a velocity of 40 m/s and after a time of 5 seconds, its final…
A: Write the given values with the suitable variables. u=40 m/st=5 sv=-10 m/s Here, u, t, and v are the…
Q: When two equal vectors are added: A. the resultant is twice the original vector B. the resultant is…
A: Given data: Two equal vectors; Two equal vectors will have same magnitude and same direction
Q: At what temperature scale does the Farenheit and Celsius have the same readings?
A:
Q: Two identical test cars are driving down a test track and hit their brakes at the same position. One…
A: Given Two identical test cars are driving down a test track One car is travelling at twice the speed…
Q: When physicians diagnose arterial blockages, they quote the reduction in flow rate. If the flow rate…
A: Write the expression for the flow rate. Here, Δp is the pressure difference, r is the radius, and l…
Q: 2) The uniform solid block in the figure has mass 0.172 kg and edge lengths a = 3.5 cm, b = 8.4 cm,…
A:
Q: Molecules attract or repel one another due to _____ forces. a)nuclear b)weak c)gravity d)electric
A: Molecules are the smallest discrete[independent] particles of a compound or element that exist in…
Q: A steel wire in a piano has a length of 0.70 m and a mass of 4.3 grams. The speed of the wave…
A:
Q: Part 2: Ohm's Law Circuit Diagram Problems for Series Circuits Level 2 A B C 6V 12V 9V 292 292 w 392…
A:
Q: Physics need help w part b and c Ally B ted Light reflected from a horizontal surface, such as a…
A:
Q: Part II. Kirchhoff's Laws in 3 loops. a. Find the necessary KVL/KCL equations to solve the problem.…
A:
Q: Problem Solving no. 2: A positive point charge (q4) is placed at the center of the equilateral…
A:
Q: Calculate the current if 7.3 C of charge passes through a point over 2.1 s.
A: Given data: Charge (q) = 7.3 C Time (t) = 2.1 s Required: Current (I)
Q: Which particles is NOT made up of quarks? Group of answer choices a)neutrons b)All particles are…
A:
Q: The resistances in Figure (a) and Figure (b) are all 8.7 02, and the batteries are ideal 28 V…
A:
Q: One long wire lies along an x axis and carries a current of 43 A in the positive x direction. A…
A:
Q: A bullet 2.50 cm long is fired at 450 m/s and passes straight through a 12.0 cm thick board, exiting…
A:
Q: Problem 1: Two children push on opposite sides of a door during play. Both push horizontally and…
A: Here , F1= 18 N, d1= 0.59 m F2 = ? , d2 = 0.455 m We know formula, M = F * d We have to find…
Q: Current flows through a long cylindrical conductor with radius 2R. The magnitude of the current is…
A:
Q: A proton is shown moving at a constant velocity near a very long wire with a steady current I. At…
A:
Q: Determine the value final velocity U=2.5 m/s a=3 m/s2 t=4.5 s
A: Given data : Initial velocity=U Acceleration=a Time=t Required : Final Velocity
Q: How much tension must a rope withstand if it is used to accelerate a 1910-kg car horizontally along…
A:
Q: When resistors 1 and 2 are connected in series, the equivalent resistance is 14.5 Q. When they are…
A:
Q: A proton passes undeflected through a region where there is a magnetic field perpendicular to an…
A: The electric force on proton is given by F = qE .....(1) Where q…
Q: A total resistance of 3.16 Q is to be produced by connecting an unknown resistance to a 12.13 2…
A:
Q: In the figure, two circular arcs have radii a = 13.1 cm and b = 10.8 cm, subtend angle = 75.0°,…
A:
Q: MY NOTES As shown below, two forces are acting on a door (the hinge is the dark circle on the end).…
A: Given Length of the door = 1.5 m Distance between FA and FB = 0.2 m θ = 5 Degrees To find out The…
Q: Draw a free-body diagram depicting RHR-1 for each item. A proton in a particle accelerator has a…
A: The magnitude of the magnetic field at any point in space is defined as B=FqoV Sinθ where the angle…
Q: A force of 200 N is applied to an object of area 4 m² Calculate the pressure ?
A: Answer:- Given Force (F) = 200 N Area (A) = 4 m2 Pressure (P) = ? We know that Pressure =…
Q: What is the impedance of a series L-R-C circuit with L = 10 [mH], R = 0.1 [kN], C = 1.0 [μF] and w =…
A: The given parameter L = 10mH = 10*10-3H R = 0.1kΩ = 100Ω…
Q: A machine gun fires 9 bullets /s, each of mass 15 g the speed to each bullets is 18 cm/-1 then force…
A:
Q: Assume that each sousaphone in the OSU Marching Band can produce 87 dB SPL in the middle of the…
A:
Q: A portion of a circuit is shown, with the values of the currents given for some branches. 12A ↑ 3A ↑…
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: R = 0.1 [kn], C OA. 0.1 [kn] OB. 1 [kn] O C. 10 [kn] O D. 100 [kn] What is the impedance of a series…
A: Given Resistance of the resistor is R=0.1 kΩ=0.1×103 Ω=100 Ω Capacitance of the capacitor is C=1.0…
Q: In the figure the current in resistance 6 is i6 = 1.31 A and the resistances are R₁ = R₂ = R3 = 2.12…
A:
Q: A particle physicist is studying a particle decay process. The analysis from one experiment shows a…
A: Given, A particle of charge +3e decaying to form three new particles. One of the new particles has a…
Q: An 800kg car accelerates from 54kph to 90kph as the engine is providing 40hp to drive the wheels.…
A: mass of the car (m) = 800 kg initial velocity (u) = 54 kph final velocity (v) = 90 kph power (P) =…
Q: positive point charge (q4) is placed at the center of the equilateral triangle with side length of…
A:
Q: Each of two hot-air balloons acquires a charge of 3 × 10^-5 C on its surface as it travels through…
A: Given data: Two charged balloons Charge (q) = 3×10-5 C Electrostatic Force (F) = 8.1×10-2 N…
Q: One concert hall is twice as large as another. The temperature of the air in the second hall is 30%…
A: The resonant frequency for smaller Hall is 40 Hz.
Q: QUESTION 18 The baseball player in center field is playing approximately 300 feet from the…
A: GIVEN Distance between player and camera = 300 ft Distance between ball and the camera = 390 ft…
Q: An electron in hydrogen drops from the 5th to the 3rd orbital. What is the energy of the photon…
A: Given As electron in hydrogen drops from 5th to 3rd orbit To find out The energy of photon…
Q: A boll rounds a 20 m radius curve at 10 m/s. The magnitude of it's acceleration in m/s²
A: Given Radius of curve R = 20 m Speed of ball v = 10 m/s To find Magnitude of acceleration
Q: A 200-lb block is at rest at 30 degree incline. The coefficient of friction between the block and…
A:
Q: A 34-turn circular coil of wire has diameter 0.97 m. It is placed with its axis along the direction…
A: Given, Number of turns, N = 34 diameter of the coil, d = 0.97 m Earth's magnetic field, B = 41.0 μT…
Q: An object is dropped from a height of 40 meters. Calculate: a.) its final velocity as it hits the…
A:
At what speed must a particle move in order to double its mass?
a. 2.6x108 m/s
b. 2.8x108 m/s
c. 2.7x108 m/s
d. 2.9x108 m/s
Step by step
Solved in 2 steps with 2 images
- A Physics book of unknown mass is dropped from rest 5.5 m. a).Draw a sketch of the scenario. b). How long does it take the book to hitthe ground. c). What speed does the book have just before it hits theground?A military aircraft that has a mass of 1.21 x 103 kilogram accelerates at 316 m/s for 15 seconds from an initial speed of 2784 m/s a. How fast will be the military aircraft be travelling after 15 seconds b. How much KE has the rocket gained1 2500kg railroad car moving with a speed of 3 m/s is linked with a 3500 kg railroad car moving away from the first car with a speed by 1 m/s. Both are moving along a straight track. Find the speed of the two cars just after they link up.
- A 81.4 kg toy rocket is sent flying straight up into the air with an acceleration of 4.20 m/s2. After 4.70 s it explodes and breaks apart into two pieces. The heavier piece has a mass of 66.0 kg. If the lighter piece is able to reach a maximum height of 168 m above the ground, what is the speed of the heavier piece of the toy rocket just after the explosion?A swimmer with a mass of 75 kg dives off a raft with a mass of 500 kg. If the swimmer’s speed is 4 m/s immediately after leaving the raft, what is the speed of the raft? 0.2 m/s 0.4 m/s 0.6 m/s 0.8 m/s 1m/sA 1000 kg car travelling at 30m/s collided head-on with a 2000 kg van travelling at 20 m/s. After collision they got stuck. At what speed are they moving? A. 3.3 m/s B. 4.1 m/s C. 5.3 m/s D. 6.5 m/s E. 7.5 m/s
- A Military aircraft that has a mass of 1.21 * 10^3 kg accelerates at 316 m/s for 15 seconds from initial speed of 2784 m/s a) How fast will be the military aircraft be travelling after 15 seconds? b) How much KE has the rocket gained?You throw a 0.4 kg ball straight up with an initial velocity of 13 m/s. (a) What is the momentum of the ball at the highest point of its path? (b) What is its kinetic energy halfway up? (c) What is its momentum halfway up?A 20 gg ball of clay traveling east at 2.0 m/sm/s collides with a 20 gg ball of clay traveling north at 2.0 m/sm/s. What is the speed of the resulting 40 gg ball of clay? Express your answer with the appropriate units.
- An aircraft lands with a velocity of 79 m/s and decelerates along the runway at 1.3 m/s^2. 1. How much runway will the aircraft consume before it comes to a full stop? Neglect friction. A. 4800m B. 312m C. 3038m D. 2400mA military aircraft that has a mass of 1.21 x 103 kg accelerates at 316 m/s for 15 seconds from an initial speed of 2784 A) How fast will be the military aircraft be travelling after 15 seconds? B) How much KE has the rocket gained?A water fountain shoots 3 kg of water straight up 5.20 m into the air. What is the speed of the water when it leaves the fountain?