[1.] An object of mass 7 kg is pulled by a rope with tension 80 N acting at an angle of 15 degrees from the horizontal. (See figurc.) The cocfficient of kinetic friction between the Inass and the table on which it slides is l = 0.20. The object is pulled a distance 7 mcters. a. What is the work done by the tension? b. What is the work done by friction? c. What is the work done by the normal force? d. If the object starts at vo = velocity? 6 m/s, what is its final T= 80N 7kg 150 -y 7m

Q: 5.11 A heating and air-conditioning engineer is designing a sys- tem to move 1000 m of air per hour…

A: GIVEN Duct Dimensions = 1 m x 20 cm Temperature  = 30 Degrees C Air volume = 1000 m3  Pressure = 100…

Q: A bullet having mass of 0.002kg hits a stationary block of wood having a mass of 14kg. the…

A:

Q: Find the magnitude and direction of the magnetic field that will cause the charge to follow a…

A: We know centripetal force (F)=mv2r and lorrentz force (F)=qvB So equating both,  mv2r=qvB so,…

Q: We need around 4000 calories daily to have a healthy body. How many Joules does that amount of…

A: 1 calorie = 4.18 joule 4000 calorie= 40000×4.18 =16720 joule. =1672 time the energy required to…

Q: An electron traveling with a velocity of 6.0 x 105 m/s along the y direction enters a uniform…

A: Given Velocity of electron = v = 6.0 × 105 m/s in y Strength of magnetic field = B = 0.60 T in x We…

Q: When adding vector quantities Vectors must always be arranged head to tail. The resultant is equal…

A: Vector quantities or vectors are physical quantities that have both magnitude and direction and obey…

Q: What is FBp, the magnitude of the gravitational force of attraction between satellite B and the…

A:

Q: Two protons approach one another from very far away with an initial speed of 1100 m/s. a) Draw a…

A:

Q: At the instant shown, link CD rotates with an angular velocity of W = 8.5 rad/s. If it is subjected…

A:

Q: 8kg of air goes through a cyclic process as shown below. Find the temperature at 3.

A: Given:-  The mass of the gas m = 8 kg  The PV curve is given as  Find:-  The Temperature at 3.…

Q: What should be the flow rate (L/s) exiting a gardening hose ejecting water inclined 30 degrees from…

A: As the Water hose is inclined 30 deg with the y axis. Let the required flow rate be Q L/s. The…

Q: A block of mass m = 1.60 kg, initially moving to the right with a velocity of 14.00 m/s on a…

A: Given:  m1 = 1.60 kg and m2 = 2.10 Kg              initial velocity of block m1 (u1) = 4 m/s…

Q: Problem 30.1: In studies of the possibility of migrating birds using the Earth's magnetic field for…

A: The magnetic field along the axis of symmetry of loop of wire is  B=μ0Ir22(x2+r2)3/2 Here I is the…

Q: A string with a mass per unit length of 0.500g/cm has waves traveling on it which can be described…

A:

Q: What is the curent read by the ammeter in the circuit below? Let R1 = 1 kiloohm, R2 = 2 kiloohm, R3…

A: The resistance of the resistor R1=1 kΩ=1000 Ω The resistance of the resistor R2=2 kΩ=2000 Ω The…

Q: Consider two different planetary systems in which the planets are moving on circular orbits. Both…

A: The radius of both orbits = 1 AU 1 AU= 1 Astronomical Unit         = 1.49×1011 m Let VA be the speed…

Q: A cannon tilted upward at θ = 29 ∘ fires a cannonball with a speed of 98 m/s . At that instant,…

A:

Q: As the distance from the surface of the Earth increases, the force of gravity A) increases B)…

A:

Q: Part A A horizontal wire is tied to supports at each end and vibrates in its second-overtone…

A:

Q: An object 10.0 cm in height is placed 4.0cm in front of a concave spherical mirror with a focal…

A:

Q: Thunderstruck: A lightning bolt strikes nearby – just 22.1 m away. A recording device registers the…

A:

Q: A light rope is attached to a block with mass M1 = 3 kg that rests on [1.] a horizontal surface with…

A:

Q: a) How many Joules of energy are needed to keep a 225 Watt ceiling fan (with lights) working for 1…

A:

Q: Two packages are connected by a very light string that goes over an ideal pulley as showm in the…

A: The equation of motion for masses A and B are (in the limitig case when friction is acting…

Q: A 3600 kg cannon shoots a 38 kg cannonball out with an average acceleration of 145 m/s2 [E].…

A:

Q: Write describing Einsteins explanation for why the total starting mass is greater than the total…

A: It is always found that the total starting mass is greater than the total ending mass after a…

Q: Apparent weightlessness in a satellite. You have probably seen films of astronauts floating freely…

A: Gravity pulls an object towards it. It is a central force which brings 2 bodies towards each other.…

Q: Identify whether the statement applies to transient equilibrium or secular equilibrium. (If both…

A: Secular Equilibrium is a condition reached when the tphys of the parent is many times greater than…

Q: What happens if you place two electrons close together?

A: The primary source of negative electricity found in all types of atoms is an electron. It is almost…

Q: A piece of smooth, perfectly reflecting metal foil got suddenly crumpled. Which of the following…

A: Yes, it obeys the law. Even though the incident rays are parallel, the normal for each crest and…

Q: A {m} kg disk of constant thickness and radius 9.4 m, initially at rest, is placed in contact with a…

A:

Q: Part A Consider the circuit shown in the figure (Figure 1). The current through the 6.00-2 resistor…

A:

Q: The flexible loop in the figure below has a radius of 11.0 cm and is in a magnetic field of…

A:

Q: coil rated 600 Watts, 330 Volts, 60 Hz has a resistance of 20 Ω. What is the inductance of the coil…

A: Given: The rated power and voltage is 600 W and 330 V. The resistance of the circuit is 20 Ohm. The…

Q: Trial h2 Ah t GPE KE %diff Vf (s) (m/s) () (kg) (m) (m) (m) (m) (J) 1 1.0 0.05 0.56 0.20 0.36 0.021…

A: Kinetic energy is related with the velocity of the object. Gravitational potential energy is related…

Q: Rainbow is produced when the sunlight is ____________ by the clouds/droplets. a. reflected →…

A: Given: Rainbow is produced when the sunlight is ____________ by the clouds/droplets.

Q: Find the Fourier transform g(@) of the function f (t) below: TO TO -

A:

Q: a. What is the capacitance of the capacitor?

A: If the area of the plate is A m2 and the distance between two plate is d m then…

Q: A U-shaped tube is filled mostly with water, but some vegetable oil has been added to both sides of…

A:

Q: If the high-altitude air density is 0.353 kg/m3, and the pressure difference between inside and…

A:

Q: An object is launched at a velocity of 20 m/s in a direction making an angle of 25° upward with the…

A:

Q: Karen is driving 65 km / h [E30S ] when suddenly she turns and is travelling at 45km / h S50E . If…

A:

Q: Illustrate the relationship of current, voltage and electricity using a graphic organizer or a…

A: Current is dependent on voltage between 2 terminals. This is called Ohm's law. More is the potential…

Q: ar block moves with a spee Lock kent at rest The

A:

Q: Rg object cycles per second. If the amplitude of the oscillation is 0.25 m, find the maximum speed…

A: b) mass= m = 2kg frequency = f = 5 Amplitude = A = 0.25 m

Q: Problem #4–The two blocks in the figure are connected by a massless rope that passes over a pulley.…

A:

Q: Consider a series RLC circuit consisting of a 3.4 resistor, a 8.6 x 10^-3 H inductor, and a 5.62 x…

A:

Q: What happens if you place two neutrons close together

A: Neutron does not have electric charge. It is electrically neutral. So, there is no electrostatic…

Q: Solve the problem completely. A) Find the equivalent resistance between points a and b? B) If a…

A: When two resistors are in series their equivalent resistance Req = R1 + R2 When two resistors are in…

Q: [3.] A 0.25 kg glider is moving to the right on a frictionlcss, horizontal air track with a speed of…

A: