Physics Assignment (URGENT) Pls, Physics

#questi1. A sound with a frequency of 261.6 Hz travels through water at a speed of 1435 m/s. What is the wavelength of the wave?

a. 1.83 x 10 -1 m
b. 3.753 x 10 5 m
c. 5.486 m
d. You cannot tell from the given information

2. A 23.0 kg mass of is accelerated at + 4.50 m/s2. What is the force acting on the mass?

a. 1.95 x 10 -1 N
b. +104 N
c. + 5.11 N
d. 225.4 N

3. A 72.34 kg skater accelerates to a stop with a force of - 34 .4N. What is the skater’s acceleration?

a. – 2.49 x 10-3 m/s2
b. + 2.49 x 10-3 m/s2
c. – 4.75 x 10-1 m/s2
d. 2.10 m/s2

4. In the absence of friction, the net force required to keep a 6.00-kg object moving with a constant velocity of 2.000 m/s is __ N.

a. 0.333 N
b. 2. 3 N
c. 12 N
d. No force is required to keep the object in motion.

5. If the net force acting upon an object is 0 N, then the object MUST ____.

a. be moving
b. be accelerating
c. be at rest
d. be moving with a constant speed in the same direction
e. Either c or d.
on..
Posted Date: 12/21/2012 2:09:03 AM | Location :







Related Discussions:- Physics Assignment (URGENT) Pls, Assignment Help, Ask Question on Physics Assignment (URGENT) Pls, Get Answer, Expert's Help, Physics Assignment (URGENT) Pls Discussions

Write discussion on Physics Assignment (URGENT) Pls
Your posts are moderated
Related Questions
Magnification is the ratio of size of image to the size of object. hence it is a dimensionless constant. It has no units. 1/m is not its unit.(1/m is the unit of power=DIOPTRE)

a n-p-n transistor having a.c. current gain of 50 is to be used to make an amplifier of power gain 300. what will be the voltage gain of amplifer

Q. Illustrate how do you compute shaft power? Answer:- Shaft power P = (2(pi) * (angular Speed in rpm) * (Torque at shaft))/ 60 Torque of a solid shaft is specified by

Light propagates as transverse EM rays. The magnitude of electric field is much larger as compared to magnitude of magnetic field. We generally prefer to define light as electric f

if a 5-kg object experience a 10-n force for a 0.10-second, then what is momentum change of the object

Write the expetiment of vernier caliper?

Define about the Venting? A thermally insulated chamber is pumped down to an extremely low pressure. At a few point, the chamber is vented thus that it is filled with air up to

What is the acceleration due to gravity and does the number ever change on earth

Newtons Law of Inertia Car and The Wall As per to Newton's first law, an object within motion continues in motion along with the similar speed and in the similar direction unle

what is moment of Inertia? Give an example, I need some specific and unique examples of moment of interia topic.