Question
Asked Oct 26, 2019
46 views

a motorist drives south at 20.0 m/s for 3.00min, then turns west and travels at 25.0 m/s for 2.00 min, and finally travels northwest at 30.0m/s for 1.00 min. fot this 6.00-min trip,find(a) the total vector displacement(b) the average speed ,and (c0 x - axis point east

 

check_circle

Expert Answer

Step 1

a)

The total vector displacement is,

help_outline

Image Transcriptionclose

3=-[(20)(3)(60)]5-[(25)(2)(60)]; -[(30)()(60)cos(45)]i +[(30)(M(60)cin(45)] =-4272.795-2327.21

fullscreen
Step 2

The magnitude of total displacement is,

help_outline

Image Transcriptionclose

S4272.79)-2327 21 4865.45m

fullscreen
Step 3

b)

The average spe...

help_outline

Image Transcriptionclose

(3600)+(3000)+(1800) (6)(60) = 23.33 m/s

fullscreen

Want to see the full answer?

See Solution

Check out a sample Q&A here.

Want to see this answer and more?

Solutions are written by subject experts who are available 24/7. Questions are typically answered within 1 hour.*

See Solution
*Response times may vary by subject and question.
Tagged in

Science

Physics

Mechanical Properties of Matter

Related Physics Q&A

Find answers to questions asked by student like you
Show more Q&A
add
question_answer

Q: A dart gun contains a spring of spring constant k = 17 N/m which is used to fire a dart of mass m. T...

A: Assume the dart is fired from a height of 2 cm and it hits the ground at an angle θ.Write the kinema...

question_answer

Q: Two objects of masses m and 7m are moving toward each other along the x-axis with the same initial s...

A: In an elastic sollision, the energy as well as the momentum is conserved.Using the conservation of m...

question_answer

Q: Consider an object of mass m = 4 kg on a frictionless table. The object experiences a repulsive forc...

A: Given:Mass of the object, m = 4 kgRepulsive force, F = a/x2 + b/x

question_answer

Q: A vacuum-insulated parallel-plate capacitor with plate separation d has capacitance C0. What is the ...

A: Given information:Capacitance of the capacitor in vacuum = C0Plate separation = dThe dielectric cons...

question_answer

Q: sSWB-Rocket-jetison 4 of 13 Review | Constants During launches, rockets often discard unneeded parts...

A: Given:Acceleration of the rocket = 3.15 m/s2initial speed of the rocket = 0

question_answer

Q: A 0.60 kg mass at the end of a spring vibrates 3.0 times per second with an amplitude of 0.13 m. Det...

A: (a)When the mass passes the equilibrium point, the speedThe angular frequency,

question_answer

Q: What is the principle of an electromagnet?

A: In contrast to a magnet which produces magnetic field on its own, an electromagnet is a type of magn...

question_answer

Q: A rocket is launched straight up with constant acceleration. Four seconds after liftoff, a bolt fall...

A: Use the kinematic equation to solve for the velocity of the rocket four seconds after the lift off,

question_answer

Q: For the circuit shown in the figure (Figure 1), find the current through and the potential differenc...

A: Resistances, 4 ohms, 48 ohms and 16 ohms are connected in series, therefore equivalent resistance: