ř=(−b₁t³+b₂t)i+c₁t²_c₂t+c3)Ĵ Assume that b₁,b2, C₁, C2, and C3 are positive constants. Which of the following statements must be true? a. The acceleration vector is constant. b. As time passes, the object's acceleration vector is directed in the 2nd quadrant. C. The object is initially at the origin. d. The object's initial velocity is directed in the 4th quadrant. e. V changes sign at the time t=b₂/b₁. X
Q: It should be a number
A: The final answer is simplified as follows.
Q: An infinitely large chessboard is composed of metal squares with length a. Adjacent quares are…
A: To determine: Whether z > 0 is possible. The charge density on the plane, σx,y. Calculate the…
Q: Three cables are connected at A, where the forces P and Q are applied as shown. Determine the…
A: Introduction Tension:- Tension is a force that pulls two objects together through a string, cord,…
Q: Given the truss and applied loads as shown below. The reaction Cy= Ax Ay 30 un 12 m 91 Cross sectice…
A: we have to find BD tanθ=BD/ABBD=AB(tanθ)BD=2×tan30BD=1.155
Q: Define the positive direction as forward, toward the center of the field and consider what a…
A: Solution: The velocity when the displacement zero to 10m covered in the positive direction is, for…
Q: Q7. A ray of light from an underground laser pointer, is incident upon an spherical air bubble as…
A: Complete the path of the ray until it exits the air bubble, show the working to calculate the…
Q: A small rock is thrown straight up from the edge of the roof of a building. Air resistance can be…
A: We are given the maximum height reached by rock above roof. We know that at top most point speed is…
Q: The following 3 graphs show the displacement vs time graph of an object. For each of the three…
A:
Q: A uranium nucleus fissions in two spherical fragments of charge 38e and 54e and radii 5.5 ´ 10-15 m…
A: Given, charge of the fragment q1=38e and q2=54e Radii,r1=5.5×10-15 m and r2=6.2×10-15 m Here…
Q: A cashier pushes a grocery cart 5m with a horizontal force of 50 N. How much work is done by the…
A: Given that A grocery cart displaced by cashier,d=5 m Horizontal force,F=50 N To find the work done…
Q: 91 92 +-x L The above figure shows two positive charges fixed in place. The leftmost charge is…
A:
Q: 2. A block of mass m is initially held in place by two massless strings, as shown. m The tension in…
A: When the horizontal string is cut, the tension in the horizontal string becomes zero. Then using…
Q: Three charges on a ring Three particles of equal mass m are placed on a ring of radius R. Two of the…
A: (a) The force on each charge due to the other two charges can be found using Coulomb's law. The…
Q: A ray of light is incident at Brewster's angle, Og, on a slab of glass with parallel top and bottom…
A: To determine: NOT true statements from the following statements, The light transmitted at the top…
Q: N 3d-3q 2d+ 2q d -q Consider 3 charged particles above a grounded conducting plane located at (x, y,…
A:
Q: Since the velocity components are a function of position only, the flow can be m/s and v= 2 m/s. The…
A: Have a look dear
Q: 4. (a) Obtain ABCD matrix for the below figure. Object So d S₁ Image
A:
Q: Shown below (Figure 1) is an electric dipole with equal charges +Q and –Q separated by a distance d.…
A:
Q: t A traveling wave on a string has an amplitude of 0.166 m and the string element at x =0 and t = 0…
A: We will answer this question by using the given equation of wave. The steps are given below.
Q: A placekicker kicks a football at an angle of 23.0 degrees with respect to horizontal and the…
A: Required Time of flight of the football
Q: What is the direction of the electric field at the position indicated by the dot in the figure?…
A:
Q: 1. Two positively charged spheres are separated by a distance of 7.3 cm, as shown in the diagram.…
A:
Q: A beam having the cross section shown is subjected to a vertical shear V. NOTE: This is a multi-part…
A: Consider the distance y from the bottom end where the shear stress is maximum. As shown in the…
Q: An interferometric hologram is produced by exposing the film twice, once when the object is…
A: Each fringe represents a half-wavelength flex. 22 bright fringes are observed, Thus n = 22…
Q: pls just fill all the fill in the blanks soon i will rate you
A:
Q: Current Attempt in Progress A small drop of water is suspended motionless in air by a uniform…
A: We are given mass of water drop. We are also given electric field present. We first find the charge…
Q: distance traveled by the car after two hours of travel a. as observed from the Earth's frame b. as…
A: In given we are asked to find distance travelled by car as observed from different frames. In order…
Q: . In Yong's experiment the wavelength of monochromatic light used is 7000 A. The optical path…
A: Given data : λ=7000 A.U. = 7×10−7 mPath difference at point P , S2P−S1P = 0.006 mm = 6×10−6 mPath…
Q: A plastic rod of length d = 1.5 m lies along the x-axis with its midpoint at the origin. The rod…
A: Given: The length of the rod is, d=1.5 m. The charge density of the rod is, λ=2.5 nC/m. Distance of…
Q: A playground is on the flat roof of a city school, h = 5.00 m above the street below (see figure).…
A:
Q: You have two string segments of equal length. Segment 1 has linear mass density μ₁and segment 2 has…
A: (a) Consider the length of each segment is L. In segment 1 Number of nodes ,n=5 6λ2=Lλ=2L6=L3 Here…
Q: An underwater swimmer shines a beam of light up toward the surface. It strike the air-water…
A:
Q: 2. The position as a function of time for a 300 g mass attached to the end of a spring is... x(t)=…
A: Introduction Oscillation:- Oscillation is the repetitive variation of a physical quantity over time,…
Q: Work out two different methods to find what happens to the ray shown in the diagram. The center of…
A: By using the laws of reflection we can draw the reflected ray. According to laws of reflection,…
Q: Fast pls i will give u like for sure solve this question correctly in 5 min please Can someone…
A: Using property of right angle triangle we can prove the relation you have asked for. Note:- I am…
Q: he frequency of third overtone of a closed pipe is in unison with the fifth overtone of n open pipe.…
A: We need to compute- Ratio of lengths=? The data given as- Frequency of third overtone (n3) of…
Q: Can someone do d and e
A: Solution: d). Let the upper half side of length is replaced by the negative Q/2 charge and the lower…
Q: Consider energy levels given by four levels 0, E, 2€, 3€. Demonstrate the occupied states, total…
A: Given: Energy levels by four levels, 0,E,2€,3€. To determine: The occupied states, total energies,…
Q: In the figure below, q1 = 1.70x 10-7C and q2 = 3.70x10-7C. 0 Submit Submit 1 2 Submit 3 91 4 5 1)…
A:
Q: 4. Show that the chemical potential u (T) of a free electron gas in two dimensions is given by u(T)…
A: solve Integration carefully you get answer easily. Concentration of electron n = ∫ D(ε) f(ε) dε…
Q: with the aid of a diagram describe the Carnot heat engine
A: Solution: The Carnot heat engine was proposed by Leonard Carnot. It shows the maximum possible…
Q: 2 1/2 ηπχ sin L n The eigenstates of the particle-in-a-box are written, y = quantity 2ħ²+² in the n…
A:
Q: Dr. L. has been asked by Caroline to clean some of his spare physics stuff out of the basement. To…
A: The maximum acceleration that Dr. L. can get without the cat slipping off the box can be determined…
Q: Two charges ql and q^(2) are separated by a distance, r. They experience a force, F, at this…
A:
Q: A proton moves with a speed of 0.86c. Find the speed of an electron that has the same momentum and…
A: We are given speed of proton. The relativistic momentum and kinetic energy is given as p=mov1-v2c2…
Q: Bb 7. Ratio of Intensities Your research supervisor has given you an opaque foil in which there are…
A:
Q: 2. A soccer goalkeeper kicks a soccer ball from their own goal into the opponent's goal. The…
A: Gien that The distance between the goal is 95 m. speed,u=30 m/s take acceleration due to…
Q: You are using tuning forks to tune a stringed instrument. You can tune your instrument either using…
A: Frequency of tuning fork C is 256Hz and A is 262Hz. When we tune a stringed instrument using tuning…
Q: In the figure below, an iron bar sitting on two parallel copper rails, connected to each other by a…
A: Given, The magnitude of the force, Fapp=1.45N Resistance, R=8Ω The bar is moving with speed,…
Q: 1. Name three advantages of in-situ tests and two disadvantages compared to laboratory tests. 2.…
A: 1. We have to tell 3 advantages of in-situ tests and 2 disadvantages compared to laboratory tests.…
We will answer this by question writing velocity, and acceleration as time derivatives of position vector. The detailed steps are as follows.
Step by step
Solved in 3 steps