Letisha

This page lists questions and answers that were posted by visitors named Letisha.

Questions

The following questions were asked by visitors named Letisha.

An airplane travels at 144 km/h toward the northeast. What is the northern component of its ve- locity? Answer in units of km/h.
15 years ago
In the parallel spring system, the springs are positioned so that the 44 N weight stretches each spring equally. The spring con- stant for the left-hand spring is 3.6 N/cm and the spring constant for the righ-hand spring is 6.4 N/cm. How far down will the...
15 years ago
Now consider the same two springs in series. 6.4 N/cm, 3.6 N/cm 44 N What distance will the spring of constant 3.6 N/cm stretch? Answer in units of cm.
15 years ago
In this same series spring system, what is the effective combined spring constant kseries of the two springs? Answer in units of N/cm.
15 years ago
An acrobat hangs by his hands from the mid- dle of a tightly stretched horizontal wire so that the angle between the wire and the hori- zontal is 12.5◦. If the acrobat’s mass is 88.8 kg, what is the tension in the wire? The acceleration of gravity is 9.8...
15 years ago
A child holds a sled on a frictionless, snow- covered hill, inclined at an angle of 33◦. If the sled weighs 56 N, find the force ex- erted on the rope by the child. Answer in units of N.
15 years ago
A particle travels horizontally between two parallel walls separated by 18.4 m. It moves toward the opposing wall at a constant rate of 6.7 m/s. Also, it has an acceleration in the direction parallel to the walls of 1.7 m/s2 . What will be its speed when...
15 years ago
Assume y varies directly as x. If x = 24 when y = 24, what is the value of k?
15 years ago
A man can throw a ball a maximum horizontal distance of 97.8 m. The acceleration of gravity is 9.8 m/s2 . How far can he throw the same ball verti- cally upward with the same initial speed? Answer in units of m.
15 years ago
0=x^2-3x-49 what is the larger answer, what is the smaller answer?
15 years ago
Suppose that you have just taken a test and earned a score of 90%. Your instructor informs the class that the grades were normally distributed, that the average was 75%, and the standard deviation was 12%. Calculate your z-score to the hundredths place.
13 years ago
Problems of learning English in South Africa
2 years ago

Answers

The following answers were posted by visitors named Letisha.