A uniform ladder 8.30m long and weighing 235.8N rests against a smooth wall. The coefficient of static friction between the ladder and the ground is 0.55, and the ladder makes a 72° angle with the ground. How far up the ladder can a 914.6N person climb before the ladder begins to slip?

Q: What is the approximate mass of an oxygen atom in atomic mass units?

A:

Q: A 560.gram block of ice is at -24.0°C. What is the final temperature, how much ice is there, and how…

A:

Q: Suppose you are in a car that is going around a curve. The speedometer reads a constant 55 miles per…

A: Given that you're in a car that is going around a curve. The speedometer reads a constant 55 mph. We…

Q: For a gas obeying the equation of state, P(V - b) = RT, (i) plot internal energy (U) vs volume (V)…

A: Thermodynamics is a field of physics that studies various thermal properties of processes and…

Q: I need help with this

A:

Q: A) What volume would 1 mol of N2 occupy at STP? Give your answer in liters rounded to the tenths…

A: Molar mass of N2= 28 g/mol n=mole=1 mol R=0.083144598 L.bar.K^-1.mol^-1   applying PV=nRT T=273 K P=…

Q: What is the maximum theoretical COP of a refrigeration cycle with an evaporator temperature of 3.8°C…

A:

Q: •P17 You throw a ball of mass 160 g upward (Figure 6.79). When the ball is 2 m above the ground,…

A: Given data: Mass (m) = 160 g = 0.160 kg Initial speed (Vi) = 19 m/s Final speed (Vf) = 19 m/s…

Q: File Edit Format View Help and (39/V3,19/v2,30) Consider two charges q1=25e respectively where all…

A:

Q: A 754g ball starts from rest and slides down a frictionless, elevated ramp. When it leaves the…

A:

Q: Solve for the coefficient of friction from a force of 50N that pulls a 6.0 kg object from a table at…

A: Concept: The Free Body diagram of the system is given below, Here, N= Normal Forcem=massg=…

Q: A solid cylinder with a rotational inertia of (1/2)MR2 is released from rest and rolls without…

A:

Q: i need help with this please

A:

Q: A 44 g red superball traveling 24 m/s EAST has an elastic collision with a 67 g blue superball…

A:

Q: A sample of ideal gas is allowed to expand isobarically from 1.74m³ to 3.26m³. Its initial…

A:

Q: A projectile is launched horizontally with a speed of 13.0 m/s from the top of a 77.0m cliff. How…

A: This question is based on Motion in a Plane topic. We need to use the formula for range for…

Q: 14. If a man ran at constant 4 m/s for 40 s and then he ran at 8 m/s back to his starting position.…

A:

Q: A 35.0kg box rests on a horizontal surface with coefficient of static friction of 0.270 and a…

A:

Q: A bar magnet that has been released with the south pole down passes through a circular loop. Looking…

A: Given: It is given that a bar magnet has been released with the south pole down passes through a…

Q: Que A bullet is shot straight up from the surface of the Moon (g = 1.62 m) with an initial velocity…

A:

Q: Several forces act on an object, but the total work done by all of the forces is zero. What can be…

A: Work done is defined as, by applying a force, displacement of an object from one position to another…

Q: ... An airplane weighing 5000 lb is flying at standard seal level conditions with a velocity of 200…

A: Given Data: Let us consider the given data, W=5000 lb V∞ = 200mph S =200ft2 e = 0.93 AR=8.5 To Find:…

Q: 118 It is a collection of theories or ideas intended to represent a physical system Select one: a.…

A: a) answer is model  So model is a collection of theories or ideas intended to represent a physical…

Q: 1)What is the magnitude of F between two charges of 5.0 pC separated by 1.0mm?

A: The force between the two charge particles is given by  F = k q q'r2

Q: Constants | Periodic Table A 24 g bullet strikes and becomes embedded in a 1.55 kg block of wood…

A:

Q: 5. A 10-kg box sits at rest on a rough portion of an inclined plane whose surface is 10 m long…

A:

Q: The coefficient of sliding friction is 0.35. A 5.0-kg object is being pulled along able. What is the…

A: Given Mass of object is m=5.0 kg Acceleration due to gravity is g=9.80 m/s^2 Coefficient of sliding…

Q: Occasionally, huge icebergs are found floating on the ocean's currents. Suppose one such iceberg is…

A: Heat given to change the state Q=mL

Q: A student holds a stick as in the diagram in the position shown where a = 25.0°. The mass of the…

A:

Q: midal fransformer has 20tums on its pomary Side and ao tpns ansts Selonderey Side the primany she…

A:

Q: 5. Rohit can consistently throw a 0.200kg ball at a speed of 12.0m/s. On one such throw, Rohit…

A: Given Mass m= 0.2 kg Initial velocity u= 12 m/s Initial gravitation potential energy=0 J

Q: Q. 10: In of (R) is (a) 1.Q 3.Q (c) de circuit shown in figure, the value (CET-2003) (b) 20 (d) 4Ω

A:

Q: An Atwood machine consists of two masses, ma = 7.0 kg and mg= 9.0 kg, which are connected by a rope…

A:

Q: A 25.0 kg box with rubber padding at the bottom part is resting on a concrete floor. The coefficient…

A:

Q: 1. Four students are trying to move a table from one corner of the classroom to another, as…

A: Given Data: Let us consider the given forces acting on rectangular table. We are to find resultant…

Q: Many problems in Physics use subscripts to identify quantities. For example, many of the problems…

A:

Q: förce strength and direction 4 Calculate the kinetic friction force and direction 5 Find the net…

A: 4)  Kinetic friction force F=μXN F= 0.1 X654.89 F=6.5489 N Direction : as shown in fBD, side of…

Q: 1. For the current density J = 100 z sin 2 øf A/m2, find the current through the cylindrical surface…

A: **As per our company guidelines we are supposed to solve only one question (if there are multiple…

Q: 2. A 1003 kg car rounds a curve on a flat road of radius 51.0 m at a speed of 52.0 km/hr. a. What is…

A: Answer:-  Given  Mass of the car(m) = 1003 kg  Radius of the road (r) = 51.0 m  Acceleration due to…

Q: "In RHR, if your thumb points the direction of the velocity, your fingers curl in the direction…

A: Given Information In RHR thumb points the direction of the velocity.   We have to find what does the…

Q: I need help with this please

A: Mass(m)=700kg P=5600N

Q: A room has dimensions of 7.3 m by 5.7 m by 3.2 m. The pressure inside the room is 90,000 Pa and the…

A: using ideal gas equation

Q: Problem 1 A rock is thrown straight upward at 9 m/s just over the side of a raised deck, 5.5 m above…

A: Initial velocity of the rock, Height from which the rock was thrown,

Q: 1.7. If a marble is launched straight upward at a speed of 15 m/s and doesn't hit anything on its…

A: Distance traveled is the total path length covered by the marble.Displacement is the change in…

Q: The time narmonic electromagnetic wave E=√√2cos (3001 - 100x) 2 V/m propagates along the O 1.…

A: We will answer the question by analysing the given equation of electromagnetic wave.