luma

A ball is thrown upward. What is its time interval between the release of he ball and the time it reaches its maximum height? Its initial vertical speed is 9 m/s and the acceleration of gravity is9.8 m/s^. Neglect air resistance. Answer in units of s.

10 years ago

Another scheme to catch the roadrunner has failed. A safe falls from rest the top of a 30.2 m high cliff toward Wiley Coyote, who is standing at the base. Wiley first notices the safe after it has fallen 17.4 m. How long does he have to get out of the way...

10 years ago

A box is dropped onto a conveyor belt moving at 1.9 m/s. The acceleration of gravity is 9.8 m/s^2. If the coefficient of friction between the box and the belt is 0.8, what distance does the box move before it moves without slipping? Answer in units of m.

9 years ago

find the answer of the set for the inequality −2 ≤ 1 − (2 + 4x) < 3?

9 years ago

On a frozen pond, a 10 kg sled is given a kick that imparts to it an initial speed of 6.2 m/s. The coefficient of kinetic friction between sled and ice is 0.14. Find the distance the sled moves before coming to rest. The acceleration of gravity is 9.8 m/s...

9 years ago

An archer pulls her bowstring back 0.488 m by extending a force that increases uniformly from zero to 251 N. What is the equivalent spring constant of the bow? Answer in units of N/m.

9 years ago

An archer pulls her bowstring back 0.488 m by extending a force that increases uniformly from zero to 251 N. What is the equivalent spring constant of the bow? Answer in units of N/m. How much work does the archer do in pulling the bow? Answer in units of...

9 years ago

If a 696 N man holds the rifle firmly against his shoulder, find the recoil speed of man and rifle. Answer in units of m/s.

9 years ago

A 13 g toy car moving to the right at 22 cm/s has a head-on nearly elastic collision with a 22 g toy car moving in the opposite direction at 30 cm/s. After colliding, the 13 g car moves with a velocity of 43 cm/s to the left. Find the speed of the second...

9 years ago

A rifle with a weight of 17 N fires a 3.6 g bullet with a speed of 231 m/s. The acceleration of gravity is 9.81 m/s 2 . Find the recoil speed of the rifle. Answer in units of m/s.

9 years ago

A(n) 2864 kg van runs into the back of a(n) 856 kg compact car at rest. They move of together at 7.5 m/s. Assuming no friction with the ground, find the initial speed of the van. Answer in units of m/s.

9 years ago

Two ice skaters approach each other at right angles. Skater A has a mass of 30.7 kg and travels in the +x direction at 2.64 m/s. Skater B has a mass of 109 kg and is moving in the +y direction at 1.29 m/s. They collide and cling together. Find the final s...

9 years ago

Two cars, one of mass 1300 kg, and the second of mass 2200 kg, are moving at right angles to each other when they collide and stick together. he initial velocity of the first car is 14 m/s in the positive x direction and that of the second car is 18 m/s i...

9 years ago

A 10 cm by 10 cm by 10 cm wood block with a density of 700 kg/m^3 floats in water. a. What is the distance from the top of the block to the water if the water is fresh? b. If it's seawater?

9 years ago

Styrofoam has a density of 300 kg/m^3. What is the maximum mass that can hang without sinking from a 50 cm diameter styrofoam sphere in water? (Assume the volume of the mass is negligible compared to that of the sphere.) V sphere = r^34/3 pie

9 years ago

When a load of 1(10)^6 N is placed on a ship, the ship only sinks 2.5 cm into the ocean (sea water). Estimate the cross-sectional area of the ship at water level.

9 years ago

identify the best way to display statistics in a research report

8 years ago

C B C C C 100% I got it so correct

8 years ago

Jazzy is not correct 2/4 if you are in 6 grade connexus do KQA

8 years ago

actually number 9 is B

8 years ago

no sorry Katie pickle but I got 80% so number 2 is not B it's A

8 years ago

Matt you are correct just make sure that if you are in connexus just take out number three and number 6 is c

8 years ago

100% Emma thanks

8 years ago

Sorry late reply, and thanks

5 years ago