Question

A 3500-kg sailboat experiences a westward force of 5700 N by the ocean tide and a wind force against its sails of magnitude 11600 N directed toward the Northeast (45o N of E). What is the magnitude and direction of the resultant acceleration?

Answer #1

the force exerted by the wind on the sails of a
sailboat is 490 Newton north the water exerts a force of 240 Newton
East. if the boat has mass of 250 kg what are the magnitude and
direction of its acceleration

Two forces act on a 20.0-kg object. The first force has a
magnitude of 60.0 N and is directed 25.0° north of east. The second
force is 32.0 N, 40.0° north of west. Determine the direction of
acceleration of the object.

1. A 10 kg mass is initially at rest and experiences a
force with profile 3 t N s. What is the momentum change of the mass
after 4 s? What is the masses velocity magnitude?
2. A 20 kg child is on a swing that hangs from 3.0 m
chains, as shown in the figure below. What is her speed
vi at the bottom of the arc if she swings out to a
45o angle before reversing direction?
Find...

One end of a horizontal spring with force constant 130.0 N/m N /
m is attached to a vertical wall. A 5.00-kg k g block sitting on
the floor is placed against the spring. The coefficient of kinetic
friction between the block and the floor is μk μ k = 0.400. You
apply a constant force F⃗ F → to the block. F⃗ F → has magnitude
81.0 N N and is directed toward the wall. The spring is compressed...

(a) Find the magnitude of the gravitational force (in N) between
a planet with mass 8.25 ✕ 1024 kg and its moon, with mass 2.50 ✕
1022 kg, if the average distance between their centers is 2.60 ✕
108 m.
_________________ N
(B) What is the moon's acceleration (in m/s2) toward
the planet? (Enter the magnitude.)
_________________ m/s2
(c) What is the planet's acceleration (in m/s2)
toward the moon? (Enter the magnitude.)
__________________ m/s2

(a) Find the magnitude of the gravitational force (in N) between
a planet with mass 8.00 ✕ 1024 kg and its moon, with mass 2.65 ✕
1022 kg, if the average distance between their centers is 2.90 ✕
108 m.
N
(b) What is the moon's acceleration (in m/s2) toward the planet?
(Enter the magnitude.)
m/s2
(c) What is the planet's acceleration (in m/s2) toward the moon?
(Enter the magnitude.)
m/s2

(a)
Find the magnitude of the gravitational force (in N) between a
planet with mass 8.50 ✕ 1024 kg and its moon, with mass
2.40 ✕ 1022 kg, if the average distance between their
centers is 2.70 ✕ 108 m.
N
(b)
What is the moon's acceleration (in m/s2) toward the
planet? (Enter the magnitude.)
m/s2
(c)
What is the planet's acceleration (in m/s2) toward
the moon? (Enter the magnitude.)
m/s2

Find the magnitude of the gravitational force (in N) between a
planet with mass 8.75 ✕ 1024 kg and its moon, with mass
2.45 ✕ 1022 kg, if the average distance between their
centers is 2.90 ✕ 108 m.
N
(b)
What is the moon's acceleration (in m/s2) toward the
planet? (Enter the magnitude.)
m/s2
(c)
What is the planet's acceleration (in m/s2) toward
the moon? (Enter the magnitude.)
m/s2

A 120 kg satellite experiences a gravitational force by the
Earth of 940 N. What is the radius of the satellite's orbit?
km
What is its altitude?
Km

(a) Find the magnitude of the gravitational force (in N) between
a planet with mass 6.75 ✕ 1024 kg and its moon, with mass 2.60 ✕
1022 kg, if the average distance between their centers is 2.10 ✕
108 m. Incorrect: Your answer is incorrect. N (b) What is the
moon's acceleration (in m/s2) toward the planet? (Enter the
magnitude.) m/s2 (c) What is the planet's acceleration (in m/s2)
toward the moon? (Enter the magnitude.) m/s2

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