A crate of mass 24.7 kg rests on a level surface, with a coefficient of kinetic friction 0.187. You push on the crate with an applied force of 232 N. What is the magnitude of the crate s acceleration as it slides?     6.05 m/s^2     15.02 m/s^2     7.56 m/s^2     9.39 m/s^2

Q: A hoist is to raise a 1135 kg of mine cage at the rate of 4.6 m/s. Mechanical efficiency of the…

A:

Q: An expression for buoyant force is FB = ρgV, where FB has dimensions [MLT−2], ρ (density) has…

A: Buoyant force may be defined as the force exerted by the liquid on any objects immersed or floating…

Q: An airplane can fly with an airspeed of 377 mph. Determine the ground speed of the airplane when it…

A: When the wind blows against the direction in which the aircraft moves then it is called headwind.…

Q: 2. Classify the following statements as either True or False : c) Races of different students in a…

A: Quantitative data is a simply information that can be quantified. Quantitative data is defined as…

Q: What is the current in the R₁ resistor? R₁ = 3.5 ; R₂ = 4.5 ; &₁ = 4.0 V; E₂ = 9.0 V; R₁ www E2 &1…

A:

Q: Blood flows through the aorta at an average speed of v = 18 cm/s. The aorta is roughly cylindrical…

A:

Q: m₁ 15 ect m₂ by a taut string. Object m₁ is moving dov ough funnel whilst object m2 moves straight…

A: Given:-  Object mi is attached to another object m2 by a taut string. Object mi is moving down a…

Q: Your cat, George, is wandering around the house, and intentionally bats at an expensive vase, making…

A: Given : t = 7.56 s vo = 0 (because initially the vase was at rest)

Q: If the resistance of the bulb filament at room temperature (20 °C ) is 1.1 Ω, what is the resistance…

A: Write the expression for the final resistance. Here, Ro is the resistance at temperature T1, Rt is…

Q: Now we have a rod-shaped space station of length 1221 m and mass 1.61 x 10^6 kg, which can change…

A: original length (Lo) = 1221 m mass (m) = 1.61×106 kg initial angular speed (ωo) = 1.37 rpm final…

Q: QUESTION 7 A disk with a moment of inertia of 0.04 kg*m2 starts spinning from rest, and reaches a…

A: The moment of inertia of the disk is, I=0.04 kg·m2 Initially, the disk was at rest, so the initial…

Q: A coil having a resistance of 20Ω and an inductance of 150 mH is connected series to a 50 µF…

A: Given coil having a resistance =  R = 20Ω coil having an inductance = L = 150 mH  coil having…

Q: a) I₁=5A, I;= 7A, and I₁ = 12 A. Find the B field at point a a 13 I₁ 12 2 cm grid

A:

Q: An object of mass 1000 kg initially having a velocity of 20m/s accelerates to a final of 129 m/s.…

A: Given: mass of the object (m) = 1000 Kg            initial velocity (u) = 20 m/s            final…

Q: A solid disk of uniform density and mass M = 0.950 kg with radius R = 0.250 m is suspended…

A: in this question  we use conservation  of energy.

Q: A galvanometer has a rectangular coil side of 10mm*30mm pivoted about the center of shorter side. It…

A:

Q: Can you give at least 5 examples of pure substance that undergoes a phase change. (E.g. Water –…

A: A pure substance or chemical substance is a material that has a constant composition (is…

Q: Your cat, George, is wandering around the house, and intentionally bats at an expensive vase, making…

A: Given, As the vase is drop off of a high shelf, hence the initial speed of the vase is zero. Time, t…

Q: A car rounds a 26 m radius curve at 4 m/s. The magnitude of it's acceleration in m/s².

A: Introduction :  In this question we are provided with value of speed and radius . With these data we…

Q: b- Complete the nuclear reactions that are showing below and calculate the kinetic energy of lighter…

A: in this we determine  mine molar mass different between reactant and products. and convert into…

Q: I drop a baseball from the top of a 18m window, somebody right below me throws their own baseball…

A:

Q: Find the kinetic energy of a ball is 2.04 kg mass, moving at a velocity of 6 m/s

A: Introduction :  In this question we are provided with value of velocity and mass . With these data…

Q: The uniform solid block in the figure has mass 33.7 kg and edge lengths a = 0.950 m, b = 1.36 m, and…

A: In the given question, Mass of the block (m) = 33.7kg Edge lengths a = 0.95m; b = 1.36m; c = 0.0821m…

Q: You have two identical 10 kg bricks. Where would you place one brick on the beam so that the beam…

A: Given Mass of each brick = m = 10 kg One brick placed at 1 m to the right of the pivot. We have to…

Q: wo blocks are positioned on surfaces, each inclined at the same angle of 41.9 degrees with respect…

A: Given:-  The mass mb = 3.95 kg  angle θ= 41.9°   the coefficient of kinetic friction for both blocks…

Q: If the temperature change of a steel pot is 49.46° F, then the same temperature change in Celsius…

A: Given: The temperature of the steel pot is 49.46oF.

Q: The x component of vector A is 3 units, and its y component is -4 unit The magnitude of A is

A: Given    The x component of vector A is 3 units, and its y component is -4 units. The magnitude of A…

Q: At higher temperatures of 500k The specific heat capacity of copper with the following formula…

A:

Q: You are moving into a new place, and you rented furniture and different boxes. Moving the boxes from…

A: Frictional force is stated as the product of the coefficient of kinetic friction with normal force…

Q: Determine the momentum of a car having mass 100 kg moving with a velocity 8.5 m/s.

A: Introduction :  In this question we are provided with value of mass and velocity . With these data…

Q: A patient’s temperature was 97.0 °F at 8:05 A.M. and 103.4 °F at 12:05 P.M. If the temperature…

A: GIVEN: Tem. at 8:05A.M. = 970F Temperature at 12:05P.M. =103.40F

Q: What is difference between resistance and resistivity?

A: The resistance of the property of an object which opposes the flow of electrons or the current…

Q: string 31.9 cm long of mass 8.2 g is fixed at both ends and is under a tension of 428 N. When this…

A:

Q: Now we have a rod-shaped space station of length 572 m and mass 6.59 x 10^6 kg, which can change its…

A:

Q: 1. A magnet of mass 4.44 kg is suspended from the ceiling by a cord as shown. A large magnet is…

A: (1) Given, m = 4.44 kg F = 65.3 N θ = ? From the figure 1, we have, Tcosθ = mg ...........(1) Tsinθ…

Q: The world's deepest gold mine, which is located in South Africa, is over 5.1 km deep. Every day, the…

A: There is m=348114 kg of ice at 0°C. The latent heat of fusion of ice is Lf=3.33×105 J/kg.

Q: The linear expansion coefficient of a bronze plate at 0oC is α = 18 x 10-6 oC-1. The dimension of…

A:

Q: The blades in a blender rotate at a rate of 6200 rpm . When the motor is turned off during…

A: Given: The intial angular speed is 6200 rpm. The final angular speed is 0 rad/s. The time interval…

Q: A meter stick balances horizontally on a knife-edge at the 50.0 cm mark. With two 4.80 g coins…

A: Visualize the problem:

Q: A pair of knife has its blades 15cm long, while its handles are 7.5 cm long. Calculate its…

A:

Q: What is a.m.u? Express 1 a.m.u. in MeV.

A: Given;  1. define a.m.u ? express 1 a.m.u in Mev2. Write the mass of protron neutron and electron in…

Q: A nerve impulse travels along a myelinated neuron at 66.5 m/s. a. What is this speed in mi/h? b.…

A:

Q: An object is always moving in the direction of the net force that acts on the object. True False

A: According to Newton's law of motion, the direction of the net force acting upon a body is the same…

Q: A large TV works properly under the voltage of 110 V with power P = 1940 W. (a)  Calculate the…

A:

Q: A patient’s temperature was 97.0 °F at 8:05 A.M. and 102.0 °F at 12:05 P.M. If the temperature…

A: As the patient’s temperature change with respect to elapsed time was linear throughout the day so…

Q: Glob the alien is playing basketball. Glob is odd, so he likes doing physics while he plays. Glob…

A:

Q: This problem can be solved conceptually and using kinematic equations. Try doing it both ways. If…

A: Given  Initial velocity of the car (vi) = 40 m/s  Final velocity when car stops (vf) = 0…

Q: In the figure here, a ball is thrown up onto a roof, landing 4.70 s later at height h = 22.0 m above…

A:

Q: A tire rotates at an angular velocity of 40 rad/s. What angular displacement will the tire undergo…

A:

Q: A body with mass 5 kg is connected to a spring with K=467 N/m. The system goes into a fluid, which…

A: Given  A body with mass 5 kg is connected to a spring with K=467 N/m. The system goes into a fluid,…

Newton's Second Law

Newton’s laws of motion describe the relationship between the motion of an object and forces acting on it. Newton’s law of motion has two types as follows: