the value of sine 90 degree is
the value of sine 90 degree is
In the figure here, a red car and a green car move toward each other in adjacent lanes and parallel to an x axis. At time t=0, the red car is at xr=0 and the green car is at xg=210 m. If the red car...
a. the height reached by the bullet b. the total time the bullet is in the air assuming the bullet was fired from ground level.
two towns a and b are connected by a regular bus service with a bus leaving in either direction every T minutes. A man cycling with a speed of 20 km/h in the direction a to b notices that a bus goes...
Are these consistent and independent, consistent and dependent or inconsistent
Suppose that a force of 20N stretches a spring 0.4 m beyond its natural length. How far will a 40N force stretch the spring? a. 1.0 b. 0.4 c. 0.2 d. 0.8
The force pulling an object to earth is where G is the gravitational constant, M is the mass of the Earth, m is the mass of the object, and r is the distance between the object and the center...
If you have a rod of length 5 with density p(x)=2+(x/5). What is the center of mass of the rod? a. ¯x=2.5 b. ¯x=2.667 c. ¯x=3.333 d. ¯x=2.165
Particles A and B are located on the x-axis. The masses and positions of the particles are: mA = 12 grams ...
what would be the speed when t=3 and how do you find the exact time the particle changes direction?
inputting time, and temperatures
The kinetic energy, E, of a moving object is directly proportional to the square of its velocity, v. The velocity of a certain object is 3 meters per second and its kinetic energy is 15 joules. What...
when looking at a velocity vs. time graph, how can one determine the total distance traveled as well as the displacement?
You are driving a car and someone try to shoot a bullet from front side of car .... what will happen to bullet angle.... does bullet angle will change due to windshield as it is little incline or...
a. W=F+d b. W=F-d c. W=Fd d. W=F/d
the net change in y=f(x), as x changes from a to b is given by___________. ∫abs(F'(x)) dx ∫F'(x) dx ∫ abs(F(x)) dx ∫F(x) dx none...
A parked car is facing northward. A spider is walking southwest on the roof of the car at a speed of 1 meter per second when the car starts moving forward at a rate of 12 meters per second. What is...
Let vector v = (5, 3). Give an example of a vector x other than vector v for which projvector v(vector x) = vector v
Find please the: a. Height reached by the bullet b. Total time of the bullet is in the air, assuming the bullet was fired from ground level
Calculate the cross sectional area of an aluminum wire of resistance 520 Ω, length 24 m, and resistivity 2.65 × 10–8 Ω·m.