1. For this case we can use the formulae v=at, where v is velocity, a acceleration, t amount of time.
V=1*6=6 m/s.
2. Frequency is amount of oscillations made in 1 second. In order to evaluate it we n
1.
A rocket with a mass of 4,000 kg has an engine that exerts a force of 25,412 N. What is the rocket's
acceleration (in m/s2) at take-off?
Solution
We use second Newtons law:
F=ma , (*)
Where
F is a
PHY 1001
Unit Six Motion
Mathematical Assignment
1. A wave is sent back and forth along a rope 4 m long with a mass of 0.6 kg by exerting a
force a force of 30 N. Calculate the linear mass density of
Question 1 (4 points)
Calculate the velocity of a car (in m/s) that starts from rest and accelerates at 3 m/s 2 for 6 seconds.
Your Answer:
Question 1 options:
18
Answer
Save
Question 2 (4 points)
Cal
1.
A force of 372 N is applied in pushing a stalled automobile at constant speed for a distance of
150 m. How much work (in J) was done on the car by the force?
Solution
We use the next formula for wo
PHY 1001
Unit One Motion
Mathematical Assignment
1. Calculate the velocity of a car (in m/s) that starts from rest and accelerates at 5 m/s2 for 6
seconds.
Key Idea
Stock of Data and
Acceleration a=5
PHY 1001
Unit Three Forces and Newtons Laws of Motion
Mathematical Assignment
1. The mass of a train is 30,000 kg. If the train accelerates at 1.1 m/s 2, what net force (in
Newtons) acts on the train?
PHY 1001
Unit Four Energy
Mathematical Assignment
1. A force of 100 N pushing a 10 kg box over level ground does 300 J of work on the box.
Through what distance was the force applied?
Key Idea
A=300 J
Group Projects for Physics
Your Group Project involves a 15-minute (at the minimum) class
presentation making use of the overhead projector for pictures, diagrams,
videos (limit of 3, each no more tha