A 50 g silver disk at 3000C is placed in 200 cm3 of methyl alcohol at 140C, then removed quickly. The silver temperature is found to have dropped to 1200C. Calculate the new temperature of the methyl alcohol

Q: A car is travelling around a circular track of radius 100 m at a constant speed of 70 km/h. 1200 kg…

A:

Q: Solve for the value of €,.

A: here, option d is correct

Q: N. O a. 7.94 N Ob.-10.09 N

A: Given: Force is 8.3 N Angle is 17o Direction is counter-clockwise

Q: 1. Let's practice using the right hand rule! Solve the following cross products: а. (+x)x (+у) b.…

A:

Q: 5° P 5° The wooden box weighs 274.5 kg. Between all contacting surfaces, μs = 0.32 and µk = 0.30.…

A: According to Newton's second law  Net force = Mass×acceleration When acceleration is zero, net force…

Q: b- b- d a b+ b+

A:

Q: Suppose the bond in a molecule is broken by photons of energy 5.0 eV. Part A Determine the frequency…

A:

Q: 28.0 V R + 5. In the circuit shown in Figure 5 find (a) the current in resistor R; (b) the…

A:

Q: 1. The object K, which has a weight G on a horizontal and frictional plane, is a rope passing…

A:

Q: The emf source, E, of the circuit shown in the figure has negligible internal resistance. The…

A:

Q: Assume that the brakes in your car result in a constant deceleration of magnitude a, which is…

A: Let the initial and final velocities of the car be denoted as u1 and v. Use the third kinematic…

Q: gravitational potential energy at 20.0 m, (c) the total potential energy at 0m, and (f) the total…

A: Givenm=2.16 kgh=20 m

Q: 5. The position of a particle along the x-axis is given by x(t) = 3t³-2t² - 4t+5. a. What is the…

A:

Q: Your answer is partially correct. Try again. In the figure a 19 V battery is connected across…

A:

Q: Determine the following a. Resultant moment at B b. Resultant moment at C also draw and label the…

A:

Q: Which figure correctly shows the absolute value of the electric potential as a function of a distanc…

A: We have to find a graph which shows that electric potential is a function of a distance R, which is…

Q: 54. A heart defibrillator being used on a patient has an RC time constant of 10.0 ms due to the…

A: It is given that, τ=10 ms=10×10-3 sC=8μF=8×10-6 FVo=12 kV=12×103 VV=600 V

Q: A vector has an x-component of -25.0units and a y-component of 40.0 units. Find the agnitude and…

A: Vector in terms of components A=(Ax  2 +Ay 2 )1/2

Q: 6ON E gO Nij N GO°W

A: Given : F1 = 60 N î E F2 = 80 N ĵ N 60o W

Q: In the following figure, Fb-Fg to satisfy the indicated outcome on the figure. Fb Fg True False

A:

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: What is the normal force on the mass M = 7 kg in the figure if F = 60 N and the angle %3D D= 30°? F…

A:

Q: (a) What is the kinetic energy of a 65.0 kg sprinter running at 2.30 m/s? (b) How fast must a 3000.0…

A:

Q: Below is the potential energy diagram for a 50 gram particle. If the particle's mechanical energy is…

A:

Q: the two forces F= 856 N and P = 1550 N is a vertical force directed upwa %3D ure, find the magnitude…

A:

Q: i need help with part e

A:

Q: The question below refers to the diagram above, showing the same spectral feature as measured in a…

A: Given data: The wavelength of spectral in the lab, λrest=600 nm The wavelength of spectral in Star…

Q: 3. A rod of mass M and length L can slide without friction on two parallel rails as shown in the…

A: Required : The current in the system.

Q: At an intersection of hospital hallways, a convex spherical mirror is mounted high on a wall to help…

A:

Q: N = W = 600N

A: Normal force is a kind of force in which surface gives an external force on object which is in…

Q: what is vector c

A: A vector has both magnitude as well as direction.

Q: Two points in the Cartesian plane are A (3.90 m, -7.30 m) and B (-1.20 m, 1.30 m). Find the distance…

A:

Q: N S S N

A:

Q: 60N 25° 60° 50° 40 N

A:

Q: 6 A hawk is flying 150m above the ground when it spots a vole. The hawk goes into a dive by tucking…

A:

Q: A force of 8.3 N makes an angle of 17° (counter-clockwise) with the +X axis. The Y component of the…

A:

Q: A rifle bullet with a mass of 10 g and moving with the speed of 300 m/s strikes and embeds itself in…

A: Given that, The mass of a rifle bullet, m = 10 g = 0.01 kg Speed of a rifle bullet, u = 300 m/s The…

Q: Please answer a-c

A: Given: ε1=22 Vε2=44 Vε3=3.5 Vε4=45 V

Q: A long rod, radius R, that has uniform positive charge density p is spun around its central axis…

A:

Q: Match the definition from the 1sT column to the best term in the 2nd column. A) AMA B) biomechanical…

A: Given : Asked to match the following between column 1 and column 2

Q: 17. Graph-it-all analysis. The following are a y-t plot, two v-t plots, and an a-t plot. Which of…

A: Its a concept lf acceleration. We know during free fall the acceleration remains constant i.e…

Q: 2. On a dry road, a car with good tires may be able to brake with a constant deceleration of 4.92…

A: Since you have asked the multi-part questions, we can answer the first three parts for you. In case…