Question
A weather forecast states the temperature is predicted to be -5 degrees Celsius. Is the temperature a vector or a scalar quantity? Explain

Expert Answer

Want to see the step-by-step answer?

Check out a sample Q&A here.

Want to see this answer and more?

Experts are waiting 24/7 to provide step-by-step solutions in as fast as 30 minutes!*

*Response times may vary by subject and question complexity. Median response time is 34 minutes for paid subscribers and may be longer for promotional offers.
Tagged in
Science
Physics

Thermodynamics

Related Physics Q&A

Find answers to questions asked by students like you.

Q: When jumping, a flea accelerates at an astounding 1,000 m/s2 , but over only the very short distance...

A: Given values: Acceleration of the flea,a=1000 m/s2 Short distance travelled by flea, s1=0.5 mm Accel...

Q: A man pushes a lawn mower on a level lawn with a force of 203 N. If 53% of this force is directed fo...

A: The force acting on the lawn mover is F=53% of 230N=53100×230=121.9N

Q: An electronic device designed to operate at any temperature in the range from −18.9°C to 50.4°C cont...

A: Click to see the answer

Q: (a) Calculate the momentum of a 2000-kg elephant charging a hunter at a speed of 7.50 m/s. (b) Compa...

A: Click to see the answer

Q: Calculate the de Broglie wavelength of a 0.67kg ball moving with a constant velocity of 26 m/s (abou...

A: Given data: Mass of the ball, m=0.67 kg Velocity of the ball, v=26 m/s Plank’s constant, h=6.626×10-...

Q: Question 6: A force is applied that makes an object move with the acceleration shown below. Assuming...

A: According to Newton's second law of motion, the unbalanced force produces acceleration in the body a...

Q: A hockey puck (mass = 4 kg) leaves the players stick (moving to the left) with a speed of 20 m/s and...

A: Hello. Since your question has multiple sub-parts, we will solve the first three sub-parts for you. ...

Q: Show that for motion in a straight line with constant acceleration a, initial velocity  v0, and init...

A: The acceleration is given as, a(t)=a Taking integral of above equation, v(t)=at+vo

Q: A "swing" ride at a carnival consists of chairs that are swung in a circle by 16.9 m cables attached...

A: Click to see the answer

Q: A crate (20 kg) is hung in an elevator by a cord rated to withstand a tension of 300 N. The elevator...

A: Consider the free body diagram of the system.

Q: A worker pushes horizontally on a large crate with a force of 230 N, and the crate is moved 3.6 m. H...

A: An applied force by a worker, F=230 N   The distance moved by a crate, d=3.6 m

Q: 26. ao The drawing shows three situations in which a block is attached to a spring. The position lab...

A: The work done by the restoring force of the spring can be expressed as; W=12kx02-xf2                ...

Q: Hello,  I had asked the following multi-part question in pieces because there are several different ...

A: The first four parts are correct. So, I will solve the next 3 parts. The magnitude off acceleration ...

Q: You release a shooting target vertically up with an initial speed of 41.67 m/s. Five seconds later, ...

A: Click to see the answer

Q: Find the work done by the same force in Example 7.4, between the same points, A = (0, 0) and B = (2 ...

A: Click to see the answer

Q: (I) How many atoms are there in a 3.4-g copper coin?

A: Click to see the answer

Q: 2. mmh A boat has a mass of 6800 kg. Its engines generate a drive force of 4100 N due west, while th...

A: Newton’s second law states that, ∑F=ma Newton’s third law says that whenever one object exerts a for...

Q: Please see attached question.

A: The magnetic force acting on a moving charge is given by- F=qvBsinθFor maximum force θ=90oFmax=qvB G...

Q: A 0.2-kg particle is travelling along the line y = 2.0 m with a velocity 5.0 m/s . What is the angul...

A: Click to see the answer

Q: A series RLC circuit consists of a 280 Ω resistor, a 25 μH inductor, and an 18 μF capacitor. What is...

A: The rms current is given by, Irms=VR2+XL-XC2   We know, XL=2πfL      =2π60 Hz25×10-6      =9.42×10-3...

Q: An object can move along a horizontal line (the + position axis). Assume that friction is so small t...

A: According to the given figure, up to two seconds, the slope of the velocity-time graph shows that th...

Q: A 7.0 kg bowling ball moves at 2.35 m/s. How fast must a 2.20 g Ping-Pong ball move so that the two ...

A: Using the formula of kinetic energy, the kinetic energy of the bowling ball is:

Q: To create artificial gravity, the space station shown in the drawing is rotating at a rate of 1.00 r...

A: Click to see the answer

Q: 174m, combletes one calculate the Circle magnitude centripetal a cceperation 4 Car ouing in a cincul...

A: The expression for the centripetal acceleration is, ac=v2R Here, v is the velocity, R is the radius....

Q: A charge Q = 2.00 10-8 C is surrounded by an equipotential surface with a surface area of 1.23 m2. ...

A: Given information:  The magnitude of the charge (q) = 2.00 ×10-8 C The surface area of the equipoten...

Q: A very large conducting plate lying in the xy plane carries a charge per unit area of 70. A second s...

A: The direction of electric field due to the plates are as shown in figure .E1 is the electric field d...

Q: (II) Approximately what are the intensities of the first twoovertones of a violin compared to the fu...

A: The intensity of the sound wave in terms of frequency of the wave is, I=2π2vρf2A2 Here,ρ is the dens...

Q: 1) Pistons are fitted to two cylindrical chambers connected through a horizontal tube to form a hydr...

A: "As per the guidelines i solved the first question alone". (1) The expression for pressure exerted o...

Q: A car traveling at a constant speed of 45.0 m/s passes a trooper on a motorcycle hidden behind a bil...

A: Distance travelled by the trooper is same as that of the car at the instant when the trooper overtak...

Q: A motorcycle is following a car that is traveling at constant speed on a straight highway. Initially...

A: Introduction: Kinematics is the branch of the mechanics which describes the motion of the objects wi...

Q: Photons of a certain ultraviolet light have an energy of 6.96 x 109 J. (a) What is the frequency of ...

A: a) The expression for the frequency is, f=Ehf=6.96×10-19J6.63×10-34Jsf=1.04×1015Hz

Q: 1. Silicon is the main ingredient of both glass and semiconductor devices, yet the physical properti...

A: Due to multiple questions posted, we will be answering the first question. If any specific questions...

Q: (a) What is the frequency of this IR light? Hz (b) Use A = c/f to calculate its wavelength in nanome...

A: Given data: The photon's light energy is: E=1.04×10-19 J The frequency of photon's light is: f The p...

Q: What is the mass of the bullet?

A: Kinetic energy of moving particle or object is, KE=12mv2 Given: Kinetic energy, KE=1930 J Speed of b...

Q: You have six 1.0 kΩ resistors. How can you connect them to produce a total equivalent resistance of ...

A: Click to see the answer

Q: A child of mass 40.0 kg is in a roller coaster car that travels in a loop of radius 7.00 m. At point...

A: Given: The mass of the child is 40 kg. The radius of loop is 7.00 m. The speed of the car at point A...

Q: 57. You are in a hot-air balloon that, relative to the ground, has a velocity of 6.0 m/s in a direct...

A: Given: The velocity of the balloon = 6 m/s due east The speed of the hawk relative to the balloon = ...

Q: Consider an object experiencing an acceleration that decreases relative to time as below: a = (5.00 ...

A: Answer:   Given value,   acceleration(a) = (5.00 m/s2)e-0.100t    

Q: Physics Question

A: The height h is given by, h=-16t2+98t+19 To find the time reaching 67feet, substitute 67 for h in th...

Q: Infra-red light has a wavelength of 800 nm. What is the frequency of this light?I

A: Click to see the answer

Q: A point charge has ? = 1.16 ??. Consider point A, which is 2.06 m from distance, and point B, which ...

A: The potential difference between the points A and B is, △V=kqrB-rAVA-VB=kqrB-rA

Q: Physics Question

A: Function of height -  h(t)=-4.9t2+247t+297 As we know  Splashdown will occur when height will be zer...

Q: Please help with the question. Parts a and b. Thank you so much! I attached them below.

A: Click to see the answer

Q: Block 1 (6 kg) is located on the surface of a table. A hand pushes horizontally to the right on bloc...

A: Click to see the answer

Q: Suppose you pluck a string on a guitar and it produces the note A at a frequency of 440 Hz. Now you ...

A: initial frequency is, f=vsound2L final frequency is, f'=vsound2L'f'=vsound245L

Q: A cannonball is launched horizontally off a 50 m high castle wall with a speed of 20 m/s. What is th...

A: Click to see the answer

Q: The figure shows an overhead view of a 0.026 kg lemon half and two of the three horizontal forces th...

A: Given: Mass of the lemon = 0.026 Kg The magnitude of the force = 3 N The angle of inclination = 310 ...