A car traveled at a rate of 50 km/hr for 8 minutes and then at 25 km/hr for 7 min and finally at 20 km/hr for 2 min. What is APPROXIMATELY the average speed for the complete trip * ?of the car in (m/sec)

Q: Describe how objects can become electrically charged Use Coulomb's law to compute the force between…

A: (i) How objects can become electrically charged. (ii) Force between two charges using Coulomb's law.

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

A:

Q: Unit vector is equal to:  a.   Vector divided by its magnitude.  b.   Magnitude divided by its…

A: The quantity which comprises of magnitude as well as direction, is referred to as vector quantity. A…

Q: 9. Which position-time graph that depicts an object moving slow, being stopped, and then moving fast…

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: Question(s): The physics of a bike generator. A generator is mounted on a bicycle to power a…

A: Given Data:Radius of tire Area Magnetic field EMF To Determine:The linear speed of the bike.

Q: Problem-06: A stone is held at a height h above the ground. A second stone with four times the mass…

A: Take the ground to be the position of zero gravitational potential energy. Let m be the mass of the…

Q: solve algebraic equation. The unknown is a a=(b+c)2/d b=4 c= -8 d=16

A: The algebraic equation is given as, a=b+c2d The variables are given as, b=4c=-8d=16

Q: 1. Draw the FBD of a book on a table book table

A: FBD is something that revels the type of forces acting on an object in a system along with there…

Q: In the figure, two 6.40 kg blocks are connected by a massless string over a pulley of radius 1.50 cm…

A: We are authorized to answer one Question at a time, since you have not mentioned which question you…

Q: - A horizontal force is applied to a 4.0 kg box. The box starts from rest moves a horizont- 20…

A:

Q: Determine the number of significant figures in the following numbers. a. 6.12 b. 4.009

A: Given data:  Two numbers 6.12 and 4.009 Required: The number of significant figures

Q: In the figure, block 1 has mass m₁ = 483 g, block 2 has mass m₂ = 560 g, and the pulley is on a…

A:

Q: One leg of a right triangle measures 11 cm. The hypotenuse is 1 cm longer than the other leg. Find…

A:

Q: Practice 1: In the picture below, the red graph represents the graph of a position function f(x)…

A: And  So

Q: add the vector

A: Let the three vectors be denoted as A, B and C.Resolve the three vectors along the coordinate axes…

Q: 9. Convert 3.14 rad into degree. OA. 180 OB. 45 O C. 60 OD. 30

A: According to question we need to convert rad to degree .

Q: The dot product of a̟ · a, is equal to: a. sin 0 cos o b. sin ø cos e c. cos o cos 0 d. sin ø sin 0

A: The unit vector ar in cartesian coordinates is given by

Q: Consider the semiare of charge shown in the figure, that has an opening angle of 0o = 47° and a…

A:

Q: A roller coaster (356 kg) moves from A (5.58 m above the ground) to B (21.3 m above the ground). Two…

A: Write the work-energy theorem and rearrange the equation.

Q: 5. Vector A S has a magnitude of 35.0 units and points in the direction 325° counterclockwise from…

A: Given : |A| = 35 units θ = 325° counterclockwise from the positive x axis

Q: Which of the following is NOT TRUE?  a.   A vector has both magnitude and direction.  b.   Vector…

A:

Q: In a beehive, each cell is a regular hexagonal prism, open at one end with a trihedral angle at the…

A:

Q: The minimum uncertainty in the energy state of a atom if an electron remains in the state for about…

A: Given : Uncertainity in time (∆t) = 10-8 s

Q: 2. Express the force as a Cartesian vector in terms of unit vectors ‘i’ ‘j’ and ‘k’. Round to three…

A: The force acting on the system is given as, F=500 N. TO DETERMINE: The given force in cartesian…

Q: A vector, V, has a magnitude of 250 N and a direction of 65°. Determine the following: a. Vx = b.…

A: Given data:  Magnitude of the force vector (V) = 250 N Direction (θ) = 65° Required: The x and y…

Q: What is eqavilent to 8.0(1m=100)

A: We have, 1 m = 100 cm

Q: Warning: his is all of nothing proDIen How much ice at -15 °C is needed to condense 109 g of steam…

A: