oubaas

[匿名]

回覆: 2

2020-05-12 1:14 pm

Car of 1000kg going east at 25 m/s hits a kid of 2500 kg going east at 10 m/s. what is the velocity of car after collision if kid moved 15ms?

[匿名]

回覆: 2

2020-04-17 12:55 pm

 How much energy, in calories, is released as 190g water is cooled from 55.0°C to 12.0°C?

[匿名]

回覆: 8

2019-08-26 10:10 am

What is the reason man wants to colonize Mars, the Moon, or any planet?

[匿名]

回覆: 19

2019-04-21 6:29 am

what would happen if north korea detonated 150 megaton nuclear bomb in some where at Atlantic ocean?

[匿名]

回覆: 2

2019-02-04 1:50 pm

A 2 kg box is sliding across ice at 2 m/s. If 40 J of work is done on the box ...?

[匿名]

回覆: 1

2019-01-22 2:39 pm

The two most abundant components of Venus's atmosphere are carbon dioxide and nitrogen. The pressure the nitrogen exerts is termed the?

[匿名]

回覆: 2

2019-01-19 12:45 pm

what is its volume? ___ L?

[匿名]

回覆: 3

2018-12-14 8:44 pm

A room is 5m long, 4m wide and 3m high. What is the mass of the air it contains?

[匿名]

回覆: 4

2018-12-09 11:32 am

Find the magnitude of the impulse delivered to a soccer ball when a player kicks it with a force of 1,500 N for 6.24 (10-3) s.?

[匿名]

回覆: 4

2018-11-27 3:06 am

Physics question! Please Help?

[匿名]

回覆: 2

2018-11-27 3:07 am

Physics polar form?

[匿名]

回覆: 3

2018-11-27 3:10 am

Physics question?

[匿名]

回覆: 3

2018-09-22 3:43 pm

If there were a cylindrical space ship rotating for artificial gravity and carts thrusting air from atop a treadmill what would happen?

[匿名]

回覆: 3

2018-07-09 11:37 am

Please help me with this physics problem!?

[匿名]

回覆: 7

2018-06-19 1:09 pm

I need a small thing that could make me time travel to the past what could it be?

[匿名]

回覆: 11

2018-05-09 9:28 am

Math help!!?

[匿名]

回覆: 4

2018-04-13 8:58 am

What is the power of a 33 ohm toaster when hooked up to a 120 V outlet?

[匿名]

回覆: 2

2018-04-13 9:19 am

Hw help: A 4 ohm, 5 ohm and 14 ohm resistor are wired in series with a 9 V battery. What is the current going through the circuit?

[匿名]

回覆: 1

2018-04-10 1:11 am

Physics Help?

[匿名]

回覆: 4

2018-03-16 11:47 am

Calculate the force of gravity between two objects of masses 1500 kg and 7500 kg, which are 0.25 m apart. please show me how to do this?

[匿名]

回覆: 2

2018-03-13 11:33 pm

A heat transfer of 8.0×105 J is required to convert a block of ice at -15 ∘C to water at 15 ∘C. How to find the mass?

[匿名]

回覆: 2

2018-03-13 1:29 pm

Dont know where to start Physics problem?

[匿名]

回覆: 1

2018-03-08 1:24 pm

An object of mass?

[匿名]

回覆: 3

2018-02-14 12:09 pm

Help with physics homework! The magnitude keeps turning out as 9.34 m.?

[匿名]

回覆: 1

2018-02-12 1:32 pm

A juniper-wood plank measuring 0.24 ft by 1 ft by 12 ft is totally submerged in water. (a) What is its weight? (In lbs) (b) Buoyant force?

[匿名]

回覆: 3

2018-02-07 2:11 pm

Friction- Mass on an Incline?

[匿名]

回覆: 3

2018-02-06 2:24 pm

a 25cm pendulum swings through an angle of 30degrees.find the lenght of the arc through which the tip of the pendulum swings.?

[匿名]

回覆: 4

2018-01-26 12:25 am

Physics Question?

[匿名]

回覆: 2

2018-01-23 1:53 pm

An airplane with a speed of 36 m/s is climbing upward at an angle of 54° with respect to the horizontal?

[匿名]

回覆: 2

2018-01-21 11:00 am

Tom is climbing a 3.0-m-long ladder that leans against a vertical wall, contacting the wall 2.4 m above the ground.?

[匿名]

回覆: 5

2018-01-20 12:49 am

physics circuits question pls help?

[匿名]

回覆: 3

2017-10-06 4:38 pm

Which value is bigger?

[匿名]

回覆: 2

2017-09-27 8:36 pm

A stone is thrown vertically upward with a speed of 15.0 m/s from the edge of a cliff 75.0 m high?

[匿名]

回覆: 2

2017-09-27 2:09 pm

A 300 kg weather rocket is loaded with 100 kg of fuel and fired straight up. It accelerates upward at 26 m/s2 for 36 s, then runs out of...?

[匿名]

回覆: 3

2017-09-13 12:13 am

70 kg man on earth. If earth gravity is doubled what is his weight?

[匿名]

回覆: 3

2017-07-15 4:24 pm

A ball is thrown horizontally from top of a sky-rise building 144 ft high with a velocity of 20 ft/sec. Neglecting air resistance, find d?

[匿名]

回覆: 2

2017-04-20 3:23 am

Perché google maps ha disegnato sopra al tetto della mia casa un triangolo nero?

[匿名]

回覆: 3

2017-02-15 1:56 pm

When a block is simultaneously pushed southward with a force of 18 N and northward with a force of 11 N,?

[匿名]

回覆: 2

2017-01-20 3:37 pm

Kinematic question with projectiles?? Please help?

[匿名]

回覆: 7

2016-11-23 2:21 pm

There are two bulbs One with 10 ohm resistance and other with 5 ohm. 1.Which bulb will glow bright. 2.Which bulb will empty battery first.?

[匿名]

回覆: 4

2016-10-17 10:17 pm

When an object is thrown into the air, when the object is at its peak height, is the acceleration 0 or is it still free fall, 9.81 m/s^2?

[匿名]

回覆: 4

2016-08-19 9:39 pm

Una monetina che cade da 2 000 metri che velocità può raggiungere fino a terra?

[匿名]

回覆: 4

2016-08-18 9:11 pm

A che velocità si cade da 10 000 metri(anche se non si respira) a terra?

[匿名]

回覆: 6

2016-08-12 9:36 pm

Su un caccia si sente molto la velocità oppure al suo interno non è percepita?

[匿名]

回覆: 3

2016-08-04 7:13 am

Why air condition re-cycle inside fresh air from outside?

[匿名]

回覆: 2

2016-08-02 8:51 pm

Algebra Help?

[匿名]

回覆: 2

2016-08-02 10:27 am

On newton law of motion?

[匿名]

回覆: 1

2016-07-31 12:42 pm

what happen when frequency inside RLC ac circuit in parallel or series is very high or very low?

[匿名]

回覆: 4

2016-07-31 2:09 am

Help physics?

[匿名]

回覆: 4

2016-07-29 6:02 am

5.854 x 10^1 standard form?