The position vector of a cat running on a field is given by: r(t) 312 – 4t + 2 y(t) 6t2 – 5t where x, y are in meters and t is in seconds. (a) Compute the magnitude and direction of the average velocity in the time interval betweent = 0 and t = 3 seconds. (b) Find the magnitude and direction of the acceleration of the cat at t = 2 and at t = 4 seconds
Q: Two semi-infinite grounded conducting planes meet at right angles. In the region between them, there...
A: (a) Given: Two semi-infinite grounded planes meet at right angles. In the region between them, point...
Q: A ball (B) of mass mB hangs from two "ideal" ropes inside a small room as shown which is sitting on ...
A: Free body diagram:
Q: Flow cytometry, illustrated as shown, is a technique used to sort cells by type. The cells are place...
A: The deflection is towards the positive plate. Electric field lines are directed from positive to neg...
Q: Which mediums did the waves in the exploration travel through
A: Given information: It is mentioned in the exploration that the wave are classified as mechanical and...
Q: A differential manometer is shown in fig 1. Calculate the pressure difference between M,N if the spe...
A: Given: Specific gravity of oil S = 0.8. Specific gravity of mercury SHg = 13.6 The pressure in term...
Q: As a space probe approaching the planet Venus on a parabolic trajectory reaches point A closest to t...
A: Part (a) The velocity with which the probe approaches the point A will be the minimum velocity with ...
Q: is slowly increased from zero until the block starts to slide. At what angle of inclination 0 = 0, d...
A: The various forces acting on the block are shown in the figure mgsinθ=f -(i)mgcos θ=N -(ii)...
Q: Hi kindly help me out!
A:
Q: A car is 200. m from a stop sign and traveling toward the sign at 40.0 m/s. If the driver realizes t...
A: The distance moved by the car while the driver applies the brake is d=utd=40.0 m/s0.200 sd=8 m ...
Q: An object of mass 2 grams is attached to a vertical spring with spring constant 32 grams/sec“. Negle...
A: (a) Given the spring constant is 32 gram.s-2 and the mass of the object 2 gram. From Hook’s law, F=-...
Q: Is the underlined part of the macroscopic domain, or the microscopic domain of chemistry ? 2 hydrog...
A: The water molecules are made of the 2 hydrogen atom and 1 oxygen atom . For the macroscopic domain ...
Q: How can I get the solutions and answer to this problem? Determine the total pressure in psi (pound p...
A: We know, Pressure in a given depth is P=ρgh where ρ is density h is the depth. 1/4 th of the cylind...
Q: 04
A: Given: Radius of inner circle r = 4 in. Radius of outer circle R = 6 in.
Q: A 5.00 µ point charge is held in place at the orgin of a coordinate system. Another point of charge ...
A: Given: A 5 μC point charge is held at the origin. A 8 μC point charge is at the coordinates (0.5,0.3...
Q: The three forces shown in the figure act on an object. What fourth force must act on the object so t...
A: The components of the force shown in the first quadrant is as follows: Fx=4 NFy=4 N ...
Q: Particles of mass m are introduced at t=0 with very small initial velocity into a field that exerts ...
A: Given: The force on the particle at t=0 is, F0sinωt. Introduction: An object moves in a simple harmo...
Q: Consider a classical system of N noninteracting diatomic molecules enclosed in a box of volume V and...
A: Solution: Given that, The Hamiltonian of a single molecule is given as below: H(p1, p2 , r1, r2...
Q: A thermometer is removed from a room where thetemperature is 70° F and is taken outside, where the a...
A: The differential equation for Newton’s cooling law can be expressed as, Here Ts is the temperature ...
Q: Q7: Electric dipole at the origion in the free-space having moment given by p = 400n (0.6ax – 0.75ay...
A: Let p denote the dipole moment, r denote the position vector, ax, ay, and az denote the unit vectors...
Q: what is the aim of Observing Redox reaction experiment ?
A: The aim of observing redox reaction is to explore the relative oxidizing and reducing the strength ...
Q: Human body temperature is about 310 K (3.10 ✕ 102 K). At what wavelength (in nm) do humans radiate t...
A: Using Wein's displacement law Where T = Temperature of an object = Wavelength of ma...
Q: I kg is initially A wedge of mass driven up a frictionless ramp by a horizontal force F = 50 N due t...
A: Since you have posted question with multiple sub-parts. We will solve first three sub-parts for you....
Q: Q2: Express the vector field W = (x² – y²)ay + xza, in the (a) Cylinderical coordinate at P(p = 6, 9...
A: Given , The vector field, W→=x2-y2ay^+xzaz^ a. In cylindrical co ordinate x=ρcosφy=ρsinφz=z Thus W→...
Q: As the drawing illustrates, two disks with masses m1 and m2 are moving horizontally to the right at ...
A:
Q: I just need the last ones, please and thank you.
A: Given: The magnitude of the force is 1575 N.
Q: Determine the Miller indices of the planes in the given figure?
A:
Q: 17-106. The truck carries the spool which has a weight of 500 Ib and a radius of gyration of kg = 2 ...
A:
Q: Force F acts at point A. (a) Determine the moments force F exerts about points B and C in ft · lb....
A: Given:
Q: The end of two parallel semi-infinite-length wires is connected to a semicircular loop with a radius...
A: Let us consider that, we are to find the magnetic field along the z-axis at a distance z from the or...
Q: Look at the picture, if the inserted relative permittivity is 2, then the capacitor capacity is ...
A: Let the electric field between the plates before inserting the slab be E0 and electric field after i...
Q: What is Pong's initial position? What is Pong's initial velocity? What is Pong's acceleration?
A: The position as a function of time t, is as given below,
Q: Find the answer for those 2 red boxes
A: For a projectile motion equation of motion is given by Where xo = Initial horizontal position, yo =...
Q: A child is playing on a hill with a cardboard box. Thecombined mass of child and box is ? = 120 kg. ...
A: (a) A child is playing on a hill with a cardboard box. Thecombined mass of child and box is ? = 120 ...
Q: Use the following constants if necessary. Coulomb constant, k = 8.987 × 10º N · m²/C² . Vacuum permi...
A: Given information: The width of the fuel tank, w=19 cm=0.19 m The length of the fuel tank, L=12 cm=0...
Q: angle a hitial speed v Is represented by: +(v, sina)t+ y, We also know that this motion represents a...
A:
Q: 2/(2a) A spherically symmetric charge distribution has density p(r) = Q- 4Ta2r where a is a constant...
A: Given: The volume charge distribution ρ(r) = Q 14πa2r e-r22a
Q: Car A is traveling at the constant speed of 44 km/h as it rounds the circular curve of 345-m radius ...
A: Given, VA=44 kmhVB=65 kmhr=345 m= distance between A and B
Q: How can I get the solutions and answer to this problem? The mass of a given airplane at sea level i...
A: 1 ton = 1000 kg 1 feet = 0.3048 meter The weight of the object is given by W = Mg Where M = Mass of ...
Q: I ran track in high school. Sometimes spectators would time the races from the stands. Let's say t...
A: Time taken by light and sound to reach the spectator tl=dcts=dvs
Q: An exposure using 10 mAs and 70 kVp results in a DI of +2.8. If you were going to fix this overexpos...
A: Given: Exposure mAs = 10 mAs. Peal voltage Vp = 70 kVp. Diagnostic image DI = +2.8. Let exposure tim...
Q: A woman bails out of an airplane at an altitude of 11,000 ft, falls freely for 15 s, then opens her ...
A: Given, Altitute =11000 ft and air resistance is ρv
Q: Water flows at a rate of 18.5 gal/min through a flanged faucet with a partially closed gate valve sp...
A: Given: The rate at which the water flows is 18.5 galmin. The inner diameter of the pipe at the locat...
Trending now
This is a popular solution!
Step by step
Solved in 3 steps with 18 images