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Physics
Page 33
Questions (147,475)
What is the decrease in elevation of a 4-kg body whose kinetic energy increases from 20 J to 100 J as a result of moving
4 answers
asked by
Janine
1,248 views
Where is the fulcrum in this situation?
(guy lifting a rock with a bar) It is the point where the bar touches the smaller rock.
4 answers
asked by
Subzero
742 views
An elite runner burns 1000 Calories (4,180,000 J) in one hour. How much power does this correspond to?
4 answers
asked by
damien
1,619 views
If the pressure on the surface of water in the liquid state is 30 kpa, the water will boil at... 0, 30, 70, or 100 degrees c?
5 answers
asked by
lost
3,719 views
a framed picture of weight 15N is to be hung on a wall using a price of string . the end of the string are tied to two points
6 answers
asked by
soumya
2,528 views
a hydrauli press has a ram of 30 cm diameter and plunger of 4.5cm diameter. find the the weight lifted by the hydraulic press
7 answers
asked by
sam
9,660 views
A rocket is launch from the top of an 40 foot cliff with an initial velocity of 140 feet per second, the height h of the rocket
4 answers
asked by
Wes
1,983 views
name two physical properties of an object about which you can gather qualitative data
7 answers
asked by
lola
1,172 views
a cylinder that is 20 cm tall is filled with water. If a hole is made in the side of the cylinder, 5cm below the top level, how
4 answers
asked by
zoe
3,811 views
Study the distance-time graph of an object’s motion.
Velocity time graph starts at (0, 10) goes to (4, 20) goes to (8, 40) and
4 answers
asked by
Klauus
1,273 views
a wave has a frequency of 2 Hz. find its period ?
please show work.....
5 answers
asked by
HIMAR
4,069 views
(4)_____ was a physicist who developed the Three Laws of Motion. (5)_____ states that ”the (6)_____ of an object is equal to
4 answers
asked by
meghan
947 views
The temperature increased steadily from 6 AM to 2 PM. What will the graph of the data look like?
A. a horizontal line, moving
5 answers
asked by
Adellina~
610 views
a child on a swing goes backwards and forwards 100 times in 5 minutes. calculate period of the oscillation and freuency in
4 answers
asked by
Anonymous
1,235 views
A car and an attached trailer have a combined mass of 3,000 kg. The car and trailer are moving on the highway at a velocity of
4 answers
asked by
Faoruk
2,008 views
A ball is thrown straight down from the top of a 220-foot building with an initial velocity of -22 feet per second. What is its
7 answers
asked by
Susana
21,669 views
How much work must be done to stop a 1250 kg car traveling at 105 km/h?
10 answers
asked by
Emily Grossman
13,772 views
A helicopter is ascending vertically with a speed of 5.20 m/s. AT the height of 125m above the earth, a package is dropped from
6 answers
asked by
Bunty
24,244 views
Suppose a 65-kg boy and a 45-kg girl use a massless rope in a tug-of-war on an icy, resistance-free surface. If the acceleration
10 answers
asked by
Liz
11,000 views
A major leaguer hits a baseball so that it leaves the bat at a speed of 30.0 m/s and at an angle of 36.9° above the horizontal.
5 answers
asked by
Anonymous
7,845 views
A box with mass 13.0 kg moves on a ramp that is inclined at an angle of 55.0∘ above the horizontal. The coefficient of kinetic
4 answers
asked by
A
7,532 views
A ball of mass 4 Kg falls to the floor; it lands with a speed of 6 m/s.it bounces off with same speed.show that its momentum has
11 answers
asked by
Eyasu Abraham
3,621 views
A car has a uniform velocity of 108km/h. How far does it travel in 1/2 min
17 answers
asked by
Godspower
7,140 views
As a baseball is being caught, it's speed goes from 30.0m/s to 0m/s in about 0.0050s. The mass of the baseball is 0.145kg
A) what
5 answers
asked by
Sandara
3,796 views
If the centripetal force on an object in uniform circular motion is increased, what is the effect on (a) the frequency of
6 answers
asked by
John
3,955 views
two objects are thrown from the top edge of a cliff with a speed of 10 m/s. one object is thrown straight down and the other
6 answers
asked by
bob
4,589 views
A car is traveling on a level horizontal rode comes to a bridge during a storm and finds the bridge washed out. The driver must
5 answers
asked by
Mark
4,955 views
A 0.25-kg block oscillates on the end of the spring with a spring constant of 200 N/m. If the oscillation is started by
5 answers
asked by
Huhu.
7,943 views
Two forces, of magnitudes F1= 80.0N and F2= 50.0N, act in opposite directions on a block, which sits atop a frictionless
5 answers
asked by
physics please show steps
13,087 views
When a block slides a certain distance down an incline the work done by gravity is 300 J. What is the work done by gravity if
6 answers
asked by
Tammy
9,469 views
A block of mass 5.53 kg lies on a frictionless horizontal surface. The block is connected by a cord passing a. over a pulley to
4 answers
asked by
Emeera
5,735 views
An object carries a charge of -8.0 uC, while another carries a charge of -2.0 uC. How many electrons must be transferred from
5 answers
asked by
Dan
7,736 views
A 0.075 kg ball in a kinetic sculpture moves at a constant speed along a motorized conveyor belt. The ball rises 1.32 m above
10 answers
asked by
Brian
12,136 views
By what factor does the gravitational force between two objects increase if one object doubles in mass and the distance between
6 answers
asked by
Katy
2,845 views
If the resultant force acting on a 2kg object is equal to (3i+4j)N, what is the change in kinetic energy as the object moves
6 answers
asked by
ATT
7,790 views
Two forces 3N and 4N on a body in directions due North and due East respectively.Calculate their equilibrant.
9 answers
asked by
Ezekiel
5,899 views
Find the velocity and position vectors of a particle that has the given acceleration and the given initial velocity and
4 answers
asked by
Anon
4,367 views
A positive charge q1 = 2.70 uC on a frictionless horizontal surface is attached to a
spring of force constant k as in the figure.
6 answers
asked by
Brette
7,369 views
At a factory workers are draining a large vat containing water. The water is being drained at a constant rate. The table below
5 answers
asked by
ben
2,679 views
A searchlight rotates at a rate of 2 revolutions per minute. The beam hits a wall located 8 miles away and produces a dot of
5 answers
asked by
Reonea
9,182 views
A 0.50 kilogram ball is thrown vertically upward with an initial kinetic energy of 25 joules. Approximately how high will the
5 answers
asked by
lucy
11,924 views
70-kg man jumps off a raft 2 meter squared moored in a freshwater lake. By how much does the raft rise?
5 answers
asked by
yin
4,822 views
A small ball with a mass of 0.6 kg and a velocity of 12 m/s hits another ball with the same mass. The first ball stops moving,
6 answers
asked by
kiley
3,006 views
A particle moves in a straight line with velocity t^-2 - 1/9 ft/s. Find the total displacement and total distance traveled over
4 answers
asked by
D
3,462 views
A ball of mass 0.6 kg, initially at rest, is kicked directly toward a fence from a point 20 m away, as shown below.
The velocity
4 answers
asked by
Lucy
7,170 views
Two currents from different sources flow in opposite directions through a resistor. I1 is
measured as 79 mA on a 100 mA analog
5 answers
asked by
mary
4,390 views
If the net force of a system is a non-zero constant and the mass decreases, what must be true about the acceleration?
The
5 answers
asked by
madisson
2,864 views
A 156 g hockey puck is initially travelling with a speed of 18 m/s. The force of friction acting on the puck is 0.30 N. If no
5 answers
asked by
sandra
1,837 views
A person reaches a maximum height of 65cm when jumping straight up from a crouched position. During the jump itself, the
4 answers
asked by
Ash
5,477 views
Melting Snowball: A spherical snowball melts at a rate proportional to its surface area. Show that the rate of change of the
5 answers
asked by
Eli
4,693 views
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